In a small town in a remote area, forest ranger Chen Qiang escaped an “accidental electric shock accident” because he switched shifts with his master Lao Jin. In order to find out the truth about the death of the forest ranger Lao Jin, Chen Qiang gradually approached the underworld gang headed by Lao Wu and Mrs. Ye. He also got acquainted with Liu Qiang, Zhang Qiang and others. Gained friendship and love, and finally cooperated with the police to destroy the underworld team