On their way to a family get-together, the Herring family are in a bad car accident, waking in a terrifying, dark basement. Something is there with them. Caged. And it craves human flesh. With a mysterious overseer aiding the creature like a pet, the family must work together to find a way to defeat them both and make their escape.

Driven by a hallucinogenic drug and a thirst for revenge, James Hook murders John Darling and loses his hand to Peter Pan. Eighteen years later, Wendy, now married to Peter, has a daughter, Lily. Lily discovers Hook is her biological father, leading her to a remote birthday retreat. Hook escapes prison and embarks on a killing spree, targeting Lily and her friends at the manor.

Driven by a hallucinogenic drug and a thirst for revenge, James Hook murders John Darling and loses his hand to Peter Pan. Eighteen years later, Wendy, now married to Peter, has a daughter, Lily. Lily discovers Hook is her biological father, leading her to a remote birthday retreat. Hook escapes prison and embarks on a killing spree, targeting Lily and her friends at the manor.

The story follows a young woman battling a drug addiction who suddenly begins to see a mutated mouse human hybrid who infests her life. Those around her begin to drop like flies.

On Kate's 21st birthday camping trip, her friends encounter Piglet, a monstrous human-pig hybrid who brutally murders one of them. They uncover Piglet's origins and Kate must confront her past to survive the relentless killer.