Synopsis：In a remote town, forest ranger Chen Qiang escapes a "suspicious electric shock accident" after swapping shifts with his mentor, Old Jin. Determined to uncover the truth behind Old Jin's death, Chen Qiang gradually closes in on a criminal syndicate led by Lao Wu and Madam Ye. Along the way, he befriends Liu Qiang and Zhang Qiang, and together the three repeatedly find themselves in peril while pursuing the truth—eventually forging bonds of friendship and love, and finally cooperating with the police to dismantle the gang.