Shanghai Beach Beauty Boss Ah Shi decided to seal her sword and retire, while various sects in the martial arts world, in order to compete for the sign of the world's top martial artist, slaughtered Ah Shi's sect while she returned home to celebrate her birthday, resulting in the tragic death of her master. To avenge his master, Ah Shi and his young masterThe younger sister returned to Shanghai beach to sweep the gang and kill all around, but was framed to kill the master and destroy the ancestors. The sisters, who were trapped by foreigners and fought with gangs, also became enemies. All forces are eyeing Ah Hu with all their mightHow should she avenge her teacher, punish evil, and promote good?