A psycho father and his homicidal daughter escape from a mental hospital. Then go on a killing spree in a nature preserve.

Alexis Walker lost her mother and brother in a home invasion. Now Alexis has become a vigilante and walks the streets in search of vengeance. All the while a serial killer known as The South Bay Slasher adds more victims to his list.

The Death Park Killer's body vanishes from the morgue, sparking new murders. Chloe leads bounty hunters after the $50k reward, while survivors Hunter, Willie, and Shady return to end the terror once and for all.