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?