When a spirit medium is called to exorcise a demon from a possessed man, he is unknowingly captured in the act by two students looking to document the process. When the students accidentally release the devil fish demon into the world, it is up to them and the spirit medium to send it back to the hellish world from where it came.

The Tag-Along: Devil Fish

Mayday Life Tour is linked by four distinct segments and the story is unveiled in “Yesterday’s Rumbling Fun”.

Mayday Life

Xiao Hong is a shy 29-year-old man who works in an aquarium fish store and lets his overprotective mother boss him around in all aspects of his life. His cousin decides to take him to a seedy hotel where Sister Lele oversees the prostitution business.

Mama Boy

Hu Guan-yu is passionate about table tennis. He trains with his best friend Huang Xuan, hoping to make the Olympic national team. When a new coach arrives, the team's atmosphere shifts, and they gradually drift apart. A year later, Guan-yu wins the junior national team qualiﬁer. His opponent in the ﬁnal: Huang Xuan.