When the holiday is approaching, Qiangzi (Chen Bolin), who is a Chinese teacher in Busan, and his good buddies Saner (Qiao Zhenyu), Datou (Ding Wenbo) and his younger brother Papa (Yang Xuwen) who came from his hometown in China meet and go to Jeju Island to relax. A raging gangster, a sexy Korean woman (Sun Yezhen), a persistent old policeman (Zhang Guang), a mysterious follower (Shen Xianjun), and an unreliable pastor (Park Cheolmin) appeared beside them one after another. The long-awaited journey was full of dangers and dangers because of the existence of these people, as if everyone had done something bad. At this time, a mysterious little black pig appeared, which made everyone kill red eyes, and pushed everyone to the critical pass of life and death... How can we get out of danger? Who is the real damn "bad guy"?