Following a friend’s advice, Liang Dai Wen attends a stand-up comedy show. By day, Gu Yi works as an editor at a magazine; by night, she performs stand-up at Ounce. She confidently tells her friend Yu Du Le, who also works part-time at Ounce, that she will get the whole crowd laughing that evening. Unfortunately for her, seated right in the front row is Liang Dai Wen, who is incapable of laughing. No matter how hard Gu Yi tries, he just won't crack a smile.

Guan Xing Xin reluctantly takes the job her adoptive parents arranged for her at a magazine company. Zhang Jun Jie hadn’t expected such an “odd character” to show up, and Gu Yi feels even more disheartened.

Gu Yi wakes up in Ounce with no memory of Liang Dai Wen bringing her home. They run into each other by chance at the sports park, where Liang Dai Wen gets hit by a flying basketball yet still shows no expression at all.

Guan Xing Xin and Liang Dai Wen seek solace at Ounce. Gu Yi is surprised to see the two of them together, and Liang Dai Wen immediately explains that Guan Xing Xin is not his girlfriend.

Liang Dai Wen is having dinner with Gu Yi and asks him to recommend some good romantic dramas to learn from. Liang even puts on a fake smile for Gu Yi, and that's when Gu Yi realizes that Liang Dai Wen can't actually feel emotions at all.

Liang Dai Wen admits to Gu Yi that he has alexithymia and hopes Gu Yi won't hold any prejudice against him. Gu Yi encourages Liang Dai Wen to share his trauma.

Gu Yi tries to create a romantic atmosphere at home. But in the end, the aromatic candles light up the mess on the table. When Liang Dai Wen returns home and sees that, he knows that Gu Yi is worried about him. He decides to tell Gu Yi about his previous girlfriends.

In order to help Liang Dai Wen learn to smile, Gu Yi creates a schedule for him, guides him through exercises and plays music for him, but Liang Dai Wen remains unresponsive.

Liang Dai Wen reveals the reason he tends to speed when he's emotionally agitated. When he was little, he once witnessed his father speeding after taking a call at the airport. He was terrified at the time. To comfort him, Gu Yi invites him to look at the stars together.

Gu Yi boldly shares about her unrequited love on stage, and even her mother's past, how she loved and hated without holding back. As Liang Dai Wen, Xu Guan Rui, and Wang Mei Xia listen from the audience, each feeling a bitter, uncomfortable mix of emotions.

Gu Yi teaches Liang Dai Wen how to use metaphors to express emotions. In exchange, Liang Dai Wen asks Gu Yi not to go on a blind date, and Gu Yi agrees.

Gu Yi realizes Liang Dai Wen has increased her performance pay in secret and even rushes back to play the role of a tree to make her happy. She can't help but ask Liang Dai Wen if he likes her.

Gu Yi secretly prepares a birthday surprise for Liang Dai Wen. But it triggers his traumatic memories.

Without Gu Yi by his side, Liang Dai Wen has been living a boring life. Meanwhile, Xu Guan Rui is taking good care of Gu Yi as Liang Dai Wen sees them.

Gu Yi and Liang Dai Wen make a date to celebrate her birthday at his house. She politely declines Xu Guan Rui's invitation. He questions why she won't choose a normal person with emotional response.