Siqi found out that her boyfriend had a relationship with his sister who passed away in a car accident two years ago. Out of revenge, he went to find his friend to wake up and go out to relax. On the way, Qingfeng confessed on the phone in order to save the relationship between the two, but Si Qi unexpectedly learned the secret that Xiao Yu had been hiding in her heart - "It turns out that Xiao Yu once fell in love when she lived on Kangle Street. The boy went blind because of her, but she chose to escape because of vanity and cowardice. As time went by, this became more and more painful in her heart." After learning the truth, Si Qi decided to find A Jing. Ayan, a silent and stoic young man, Mumu, who yearns for life outside, Jiale and Xuejin, who have forbidden love, her interaction and friction with the people in Kangle Street make her mature day by day. Unexpectedly, she finds that she and Ajing have gradually developed feelings for each other as they get along day and night. Faced with her sister's former lover, she is struggling in her heart and does not know where to go. And her boyfriend Qingfeng also heard the news and rushed to Kangle to find her... Think about how she should choose, and what will happen to the emotional belonging of the people in Kangle Street? Can Jiale and Xuejin break through the shackles of their thoughts and be together? Can Ayan keep his beloved Mumu? Can the persistent young man who loves music see the light again and stand in the sunshine and sing a "Little Love Song" that is only about youth? Leave or stay? Give up or persist? Regarding the speculation about choice and destiny, I think I am very suitable to be a singer... Stay tuned