On the first day at Su Zaizai's high school, a rainy encounter between her and a charming schoolmate leads to a romantic mistake.

An accident causes Zaizai to cross paths with Zhang Lurang again, but a series of snafus lead her to continue mistaking Lurang for someone else.

Hoping to be closer to her crush, Zaizai persuades a friend to get Lurang to join the Drama Club. Later, she confronts inappropriate behavior on a bus.

Zaizai's English paper earns her recognition across the school — as well as an opportunity to tutor Lurang, who's struggling with the subject.

After a triumphant basketball game, Jiang Jia develops a crush on one of the players. Soon after, Zaizai is blamed for conducting an unseemly act.

Zaizai and Lurang continue to help each other with their grades. As the school's field day draws near, an injury abruptly leaves Zaizai out of the games.

Lurang and Zaizai showcase great improvement in their studies. Later at the Drama Club, Lurang agrees to help Zaizai with her lines — on one condition.

Due to an accident, Lurang replaces Shen Qianyu as the lead in the school's drama. Facing some bullies, Jiang Jia steps up to protect Gu Ran.

An aquarium trip deepens the bond between Lurang and Zaizai. Meanwhile, with an academic contest on the horizon, a rumor spreads across the campus.

Zaizai documents an unforgettable train ride on a special night. Later, Guan Fang reveals a different side of himself with his act of courage.

Hoping to see her crush, Zaizai agrees to a family trip. But shortly after arriving in Suyang, she encounters Lurang in an awkward situation.

After an awkward reunion, Jiang Jia takes care of Gu Ran when he falls ill. Later, Lurang comforts Gu Ran about his parents' demanding job.

As Qianyu prepares to study abroad, a love letter sparks a series of misunderstandings. Jiang Jia's attitude towards Gu Ran leaves him disheartened.

Jiang Jia musters the courage to confess her feelings to Qianyu. To fund their trip to a music festival, the friends take on a part-time gig.

After summer break, the students enter a new phase of their high school journey. The closeness between Lurang and Zaizai lands them in hot water.

Zaizai confronts Lurang about why he's hiding an important piece of news from her. Zhang Luli, the famous prodigy sibling of Lurang, arrives in Yongan.

Zaizai gets a delightful birthday surprise as well as a thoughtful gift. As the college entrance exam nears, and Jiang Jia struggles to pick a major.

Jiang Jia stumbles upon a new calling while Zaizai visits Lurang's school. An emergency after the graduation ceremony suddenly leaves everyone worried.

Zaizai tries to confess her feelings to Lurang, but things don't go as planned. A romantic camping trip is almost spoiled by an oblivious Gu Ran.

Zaizai notices Xie Linnan's interest in her and informs him that she already has a boyfriend. Meanwhile, a pursuer of Lurang makes a series of moves.

Zaizai and Lurang embark on the next phase of their post-college lives. While Gu Ran prepares to return from abroad, Jiang Jia is swamped at work.

Lurang rushes to Zaizai's side after a distressing incident. Gu Ran faces a number of obstacles as he tries to express his feelings to Jiang Jia.

In a heartfelt moment, Lurang poses a significant question to Zaizai. On their wedding day, they reflect on their beautiful journey together.