In order to develop Snake King Island, the greedy real estate developer paid a large sum of money to bribe the black market snake catching gang headed by Jin Laosi (played by Wang Hongqian) in an attempt to land on the island to eliminate the snake plague. In order to verify the legend of the existence of Titanoboa, Chen Zheng (played by Liu Lincheng), a descendant of the Snake King, teamed up with animal protection expert Zhou Xiaoxiao (played by Shao Yun) to fight Jin Laosi to death. Everything that happened on Snake King Island constantly challenges the bottom line of human nature...