Qiao, an 18-year-old boy, loses his voice while delivering a eulogy for his late father. He runs away from the funeral and hides from his family. Between past, present and future, the young man recalls his relationship with his brutal and secretive father, who left him a passion for boxing. Ten years later, now an engineer, Qiao develops an AI boxer to help people learn boxing. Training with the AI day by day, Qiao begins to see a ghost.​​

Wu Xiao Bei, a girl born in the 2000s, suffered from a sudden breakup. After falling out of love, she repeatedly jumped into madness and decadence and finally decided to fight back! Xiao Bei stumbled through the "12 things not to do after falling out of love": transform yourself, pretend to be rational, and deal with all kinds of people from the opposite sex... However, can this long list of tips for a lovelorn really lead her out of her heartbreak?