Lin Haoran, the captain of the criminal case investigation team, and his comrades-in-arms were ordered to bring drug lords to justice. They fought with drug lords with the fearless spirit of sacrifice and high-tech means, found clues from clues, and were not afraid of difficulties. They solved the largest drug-making smuggling case in Haizhou City since the founding of the People's Republic of China, and returned the blue sea and the blue sky.

The film tracks protagonist Chen Zhihui who succumbs to trauma and frustration when he is released after spending 20 years in prison and becomes a serial killer.

Xiao befriends Amao, a 36 foot crocodile, who lives on his fathers croc sanctuary. Soon his father is forced to sell the crocodiles to a gangster who plans to use them for high priced meals.

Tough Chinese detectives go on a mission to Moscow to hunt down ruthless robbers who have been plaguing the trans-Siberian railway with violence and chaos.