A special agent is assigned to protect a wealthy business magnate. However, when the businessman is kidnapped in a daring ambush, he teams up with a seasoned detective to crack the case. But soon he discovers the case isn't that simple.

2014 film by Teddy Chan

2002 film directed by Kim Jee-woon, Nonzee Nimibutr and Peter Chan

Tsui escapes from a super soldier project and plans to lead a peaceful life. However, when his former comrades go on a violent crime spree, he takes it upon himself to end their reign of terror.