After nearly 20 years serving in the Marine Corps, Captain Kramer thought he'd been prepared for anything life had to throw him. He returns from deployment to Afghanistan with a new dog, Shadow. The ugly sport of dogfighting was one experience Kramer wanted to leave behind but back in Oceanside, California he and Shadow are drawn into a struggle to oust local gangs involved in the bloody sport. Kramer and Shadow's activities capture the attention of the FBI who quickly enlist their help in an operation to bring down a major crime lord based in Florida. Captain Kramer, USMC and Corporal Shadow, USMC soon find themselves in their deadliest fight ever.