In the year 1936, a man named Hai Mao makes ends meet by begging for alms on the street as a fortuneteller. One day, his world is turned upside down when he meets Wu Ruoyun, who’s on the run from Captain Hei Sha.

Hei Sha’s parents were killed by Wu Ruoyun’s father, and he’s out for blood. Fearing for her safety, Hai Mao helps Wu Ruoyun escape Hei Sha’s grasp, and along the way, he will discover secrets about his own heritage.