After a night out celebrating the conclusion of a successful assignment, computer forensic expert Jack Rhodes, wakes up with a beautiful woman in his bed, an almighty hangover, and someone is pounding on his door. He answers, and the large stranger asks for the woman by name. The stranger goes on the attack. Jack thinks he's n the middle of a relationship drama.
Drawing on his martial arts training, Jack subdues the assailant. He calls the police, but not before learning the woman has hidden incriminating files from a dangerous man. When the police arrive, the woman has disappeared.
Through his connections on the force, Jack volunteers to go undercover and discover the truth. It becomes a dark and menacing path into the hidden underbelly of San Francisco's business and criminal element where murder, exploitation, fraud, and betrayal are a way of life. He needs to make the connections, get the proof he needs and find the woman fast. But to do so means facing his demons, a darkness within, and a past he cannot escape.