High school teacher Cheng looks back to his repressed childhood memories, as he finds an anonymous suicide note in the classroom. He strives hard to prevent another tragedy from happening, meanwhile facing a series of family problems, his wife is divorcing him, and his father is dying.
Negotiator expert Cheuk Man Wai unexpectedly becomes the prime suspect in a murder case. Forced into a corner, he occupies the police station, taking officers hostage, and demands negotiations with the former negotiator Tse Ka Chun. With Tse's expertise in psychological manipulation and Check's exceptional skills, they engage in a battle of wits. As the verbal sparring deepens, their positions and mindsets gradually change.
A pair of slackers are forced to put aside their childish ways when a zombie outbreak makes its way to their small town.
