Zhou Siyue lets the guy flatter Ding Xian in Our Secret: Episode 3. Ding Xian forgives the guy. The basketball flies to Ding Xian. Zhou Siyue catches the ball. He protects Ding Xian. Ding Xian takes a look at Zhou Siyue. She runs away.
Ding Xian returns to classroom. She tries to give the chocolate to the girl Sha Di. But the boy grabs the chocolate. He’s shameless to think Ding Xian gave the chocolate to him. Sha Di hits the boy and she thanks Ding Xian.
The boy calls Sha Di little princess. He asks her to share the chocolate with him. She rejects it and she gives a piece of chocolate to another boy Hao Jie. Ding Xian allows the boy to take a piece of chocolate. So the boy takes the chocolate from Sha Di. Sha Di shares her chocolate with Ding Xian.
Ding Xian remembers her senior told her that she will find the warm side of classmates if she gets along with them. She gives her chocolate to Zhou Siyue. But the girl cannot stand it. She tells Ding Xian that the snack isn’t allowed in the class.
Sha Di talks back that she saw the girl eating snack two days ago. The girl asks Ding Xian if she didn’t read the school rules. She thinks Zhou Siyue shouldn’t eat this kind of chocolate. She reveals she has many imported chocolates at home.
She tells Zhou Siyue that she can bring it to him if he likes chocolate. He grabs the chocolate from her. He eats it and he claims that he has low blood sugar. Zhou Siyue leaves the school. The boy bikes to chase Zhou Siyue. He learns that he didn’t bike. The boy reveals he noted that Zhou Siyue paid attention to the little monster often.
Zhou Siyue claims that he should care for Ding Xian because their family know each other. But the boy thinks Zhou Siyue has a problem. Ding Xian returns home. Her mother asks her to go to gaming room to catch her younger brother. She finds her younger brother Ding Juncong in the gaming room. She asks him to return home with her.
But he plans to play a round. He threatens to tell his mother that she beat him. She pinches his ear and she thinks he got talent. It’s witnessed by her classmates. Zhou Siyue asks Ding Xian to move back. He leaves. Sha Di explains it to Ding Xian that she wanted to invite her. But she didn’t have her number.
The girl asks Ding Xian to switch the seats back. She reveals she didn’t intend to rob her seat. She mentions what Zhou Siyue said that he can help Ding Xian study because Ding Xian doesn’t have good scores. She’s shy to reveal that Zhou Siyu told her that it’s her duty as class president. She goes to buy snacks.
The boy and Zhou Siyue come back after they bought some coins. The boy takes Sha Di away for challenge. Ding Xian asks Zhou Siyue who said that she has bad scores. He lets her make a choice. He asks her if she wishes to be deskmate with He Xingwen. He shares his coins with Ding Juncong. He takes Ding Xian away.
The boy defeats Sha Di in the game. He claims that he’s a winner. She’s furious to blame him for his showing off. Ding Xian shows up with Zhou Siyue. The boy invites Ding Xian to dance with him. She claims that she doesn’t know how to play the game. But she defeats him.
The boy refuses to accept his failure. He offers to challenge Ding Xian again. But Ding Xian is taken away by Sha Di. The girls are in front of the doll machine. The boy asks Zhou Siyue to play with Ding Xian. He thinks Ding Xian was arrogant. But Zhou Siyue rejects it.
Ding Xian provokes Zhou Siyue. She asks him to play catching dolls with her. He helps Sha Di get the doll. Ding Xian tries to help the girl Wan Wan get the doll. But she fails. Zhou Siyue does the job for Ding Xian. He volunteers to help her catch the doll. She rejects it because she thinks she can do it on her own. She fails. Ding Juncong shows up. He persuades his sister to let Zhou Siyue catch the doll for her. Ding Xian takes Ding Juncong away.
The two return home. Their mother prepare dinner for them. Madam Ding asks Ding Xian about her study. Ding Xian reveals she did a good job. She asks her mother to buy her a cell phone. She reveals she didn’t have it when her classmate asked her for her number. Madam Ding claims that she doesn’t have money to buy Ding Xian the cell phone. Ding Xian points out that her mother didn’t go against it when Ding Juncong went to gaming room. Madam Ding scolds Ding Xian. She tells her not to compare it with the kid.
Zhou Siyue waits for Teacher Liu at the school gate. He asks him to let Ding Xian be his deskmate. Teacher Liu tells Zhou Siyue to focus on the study. He asks him why he wants to sit with Ding Xian. Zhou Siyue returns to the classroom. He asks Ding Xian to switch the seats. Liu Xiaofeng volunteers to help Ding Xian.
The boy thinks Liu Xiaofeng’s mind isn’t pure. Zhou Siyue points out that the boy’s mind isn’t pure most. The boy thinks they’re the same. He asks Zhou Siyue how did he help the little monster switch the seats.
It flashes back. Zhou Siyue explains it to Teacher Liu that he does it for repaying Teacher Ding. But Teacher Liu doesn’t believe Zhou Siyue. Teacher Ding shows up. He asks Zhou Siyue if he understands the question. He tells Teacher Liu that Zhou Siyue studied very hard. He wishes Ding Xian to study from Zhou Siyue. Zhou Siyue mentions he talked with Teacher Liu about letting Ding Xian be his deskmate. Teacher Ding thinks it’s a great idea. He shakes hands with Teacher Liu when he thinks he bothered him. Teacher Liu agrees to it because he thinks he does it for study.
Ding Xian has a seat. Sha Di places the dinosaur doll on Ding Xian’s desk. She reveals Zhou Siyue caught the doll for Ding Xian. Zhou Siyue explains it to Ding Xian that he did it because Sha Di and Wan Wan had dolls. It makes her think that he’s a central air conditioning.
Zhou Siyue is furious to grab the dinosaur doll back when he thinks Ding Xian doesn’t need it. Ding Xian tries to take her dinosaur doll back. But she finds out that she’s close to Zhou Siyue. She’s shy. He returns the doll to her. He thinks the dinosaur is ugly. He thinks she’s like the dinosaur. She tells the dinosaur that he’s a crocodile.
Sha Di returns. She informs the two that it’s time to take class. Ding Xian is happy to leave the classroom. She tells her diary that the hard high school life becomes better. But she fails the math exam. She complains it to Sha Di why humans need to study math.
Zhou Siyue takes a look at Ding Xian’s test paper. He thinks her situation is terrible. She claims that she’s just a salted fish. She reveals she just wants to get into the top school outside the province. She adds that she wants to go to Hangzhou.
He thinks Hangzhou is good. She’s excited to ask him if he saw Thunder Peak Tower. He thinks she watched “The Legend of White Snake”. He teaches her math. He wonders how did she got into the school. She reveals her senior Su Bocong encouraged her.
Ding Xian is in her room to read her notes. Madam Ding calls Ding Xian out. She asks her to take her notes. Madam Ding reads Ding Xian’s notes. She finds out that her notes are less. She thinks she didn’t study hard. Ding Xian claims that she only recorded the key. She thinks her mother’s study method is outdated.
Teacher Ding praises Ding Xian. She reveals Zhou Siyue taught her the method. Ding Juncong reports to his parents that he became the class president. His parents are happy to praise him. Ding Xian reveals her class is going to elect class cadres. Her father persuades her to be the study president. He thinks her painting is good.
Ding Juncong thinks his older sister won’t run for the election because he knows she’s a coward. Ding Xian is furious to have a fight with Ding Juncong. Teacher Ding stops the two. He thinks there will be two presidents in his family if Ding Xian becomes study president.
Ding Xian runs out of her house. She gives the breakfast to Zhou Siyue. He gives his milk to her. He reveals he had played games all night. He asks her to walk fast. She complains it to him that her bag is too heavy. He lifts the schoolbag for her.
The two arrive at the school. The girl gets off the car. She greets Zhou Siyue. She leaves. Ding Xian learns that the girl Yang Chunzi was the one who took a leave. The boy shows up behind Zhou Siyue. He thinks Yang Chunzi is prettier than before.
Sha Di joins Ding Xian. She mentions Zhou Siyue helped Ding Xian take her schoolbag. The boy watches Yang Chunzi in the classroom. He complains that he wishes to be Yang Chunzi’s deskmate. Sha Di pinches his ear. He reveals Yang Chunzi and Zhou Siyue were close. Ding Xian overhears it.
Sha Di and Ding Xian are in the cafeteria. Sha Di gets angry after she witnessed the boy flattering Yang Chunzi. Ding Xian tells Sha Di that jealousy will make a person ugly. Sha Di is surprised that Ding Xian isn’t jealous. She mentions Yang Chunzi sits next to Zhou Siyue.
Ding Xian thinks it’s not her business. She wonders if everyone likes such a girl. Sha Di tells Ding Xian that she’s prettier than Yang Chunzi if she dresses up. She thinks her head is large and she persuades her to cut a bang.
But Ding Xian rejects it because her mother told her that her large head can help her be an official. She reveals she plans to run for the election. The election begins. Ding Xian tries to run for literature and art commissioner. But Yang Chunzi volunteers to be literature and art commissioner. She gives a perfect speech.
Teacher Liu agrees to let Yang Chunzi be the literature and art commissioner. She notes that Ding Xian’s drawing is good. She invites her to publish the blackboard newspaper with her.
Sha Di and Ding Xian are in the restroom. Ding Xian tells Sha Di that she plans to publish the blackboard newspaper with Yang Chunzi. But Sha Di thinks Yang Chunzi is a bad girl. Ding Xian thinks Yang Chunzi was gentle to everyone. Sha Di acts gentle like Yang Chunzi. She tells Ding Xian to learn it from her. Yang Chunzi shows up from the booth. She thinks Ding Xian’s hair is good looking.
Ding Xian needs to publish the blackboard newspaper with Yang Chunzi. Sha Di goes to watch the boys play basketball alone. Ding Xian tries to stop Yang Chunzi when Yang Chunzi touches Zhou Siyue’s pen. Yang Chunzi tells Ding Xian that it’s fine if it’s her. Ding Xian learns that Yang Chunzi is close to Zhou Siyue.
Boy Song and Zhou Siyue are in the gym. Boy Song asks Zhou Siyue if he had any wave in his heart after Yang Chunzi came back. Zhou Siyue admits it. He thinks there’s a turbulent in Boy Song’s heart. The two return to the classroom when Ding Xian is drawing on the blackboard.
Sha Di has a fight with Boy Song. They make Ding Xian fall. Zhou Siyue presses Ding Xian on the blackboard for preventing her from falling. Her face is stained by the chalk. He tells her that she’s good looking. Sha Di hands over her mirror to Ding Xian. Ding Xian looks at herself in the mirror. She’s furious to scold Zhou Siyue.
Zhou Siyue goes out. Ding Xian is memorizing English. He suggests her to use phonetic symbol to memorize English. But she insists on using her method. The teacher checks on Ding Xian’s homework. Ding Xian’s spoken language is terrible. She gets mocked by the classmates. Yang Chunzi gives a perfect spoken language.
Ding Xian meets with Senior on the rooftop. He brings the English remedial materials to her. He learns that the English teacher scolded her. He tells her to follow the tape to study. She reveals her deskmate paid attention on the outstanding girl.
He thinks her deskmate is a boy. She denies it and she claims that she and the boy are just friends. Teacher Liu notes that Ding Xian isn’t in the classroom. He asks Zhou Siyue about it. Zhou Siyue reveals the girl went to restroom.
Ding Xian comes back. She refuses to tell Zhou Siyue about where she went. He gives the notes to her. He takes a look at the English remedial materials. He finds out that it was given by her senior Su Bocong.