Policeman Don often works with informants but numerous too-close calls and failed missions cause him to see the world as one betrayal after another. Then, he meets Ghost, Jr, and is given a new chance to change his views.
A vigilante serial killer in Hong Kong leaves ominous death notices, prompting the police to launch a special task force to uncover a hidden conspiracy.
The story revolves around a Spring, a hitman from mainland China who is on a mission in Hong Kong with his partner Setting Sun. However, Spring falls ill and comes under the care of a screenwriter by the name of Soya and they find themselves developing into a tight and everlasting friendship.
After five specially trained officers and a van full of firearms fall off the grid, the Hong Kong police start receiving calls from the hijackers.
