The game company designer Yuan Dabao is a single father, and his son Yuan Xiaobao has a very different personality. This contrast makes the feelings of the father and son of the two people often "smothered." In an accident, the two were exchanged by the mysterious magician.
Adapted from the famous stage play of the same name, Devil And Angel (E Gun Tian Shi) follows Zha, played by Sun Li, a top student with a high IQ, who goes on a journey with Mo, played by famous Chinese comedy actor Deng Chao, a professional debt-collector and sometime hooligan, in order to face down her own neurosis, as well as cure Mo of his extreme insomnia.