A chronicle of the events that led to the founding of the Chinese Communist Party.

To fight for custody of his daughter who loves playing the piano, a steel factory worker decides to forge a piano from scratch.

In that cold northern city, the young and reckless Haibo (played by Huang Haibo) and the beautiful and elegant Xiaoqing (played by Tan Zhuo) met on campus. Just like those silly boys who are desperate for love, Hai Bo clumsily but persistently pursues love with the help of his friends. He stood on the roof and made a loud confession, and his friends saw that the Christmas tree invited Xiaoqing to dance. Youth is beautiful but fleeting. When they finally come together, they gradually find that the romance of the past is slowly disappearing, and the cold reality makes each other appreciate the hardships and bitterness of life. Hai Bo recalled the dream wolf and impulse in his youth again and again and unconsciously split into a self who ran rampant in the underworld and dared to think and act, and a self who succumbed to reality and made compromises. Under Xiaoqing's cold gaze, the two Haibo started to fight for the long-awaited good life.

The film revolves around the hunt for a serial killer who is known to cut the shape of a daisy into the bodies of his victims.