As she is about to finish her studies, Si Tu Mo is confused about her future plans. She seems to be fascinated with a variety of things, but is still unable to make her own decisions.

Despite his cold behaviour, Gu Weiyi ends up helping Si Tumo in every aspect, even more than her best friend, Fu Pei, who always disappoints her.

Si Tumo decides to help Gu Weiyi in return for his favour and seeks Professor Jiang's aid; Fu Pei feels uneasy after Si Tumo changes her attitude towards him.

Si Tumo decides to stay at her mother's friend, Madam Xu's place. Unbeknownst to the fact that a tenant is already residing, Xu's son pays a visit.

Fu Pei accidentally learns about the accommodation situation of his two friends and gets concerned; Si Tumo and Gu Weiyi grow closer to each other while also focusing on their work.

Si Tumo's mother pays a visit to her and learns of her relationship with Gu Weiyi; Si Tumo finds out some unknown truths about herself.