In the midst of war, a damaged spacecraft undertakes a critical mission to neutralize a looming bio-weapon threat and save the world.

FBI agent Tracey Pride is on a mission to capture businessman Jason Slade, who is involved in extortion and murder. Teaming up with her is her sister, Joyce, a news reporter; Dragon Lee, Tracey's partner in Hong Kong, and Jake, a bodyguard who worked for Slade. Can they stop Slade before it's too late?

Police investigation of a series of mutilation deaths reveals that they were committed by an ancient demon. They enlist the help of a professor who is an expert in the field to fight the demon.