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.
Wendy Darling strikes out in an attempt to rescue her brother Michael from the clutches of the evil Peter Pan who intends to send him to Neverland. Along the way she meets a twisted Tinkerbell, who is hooked on what she thinks is fairy dust.
Five months following the murders, Christopher Robin struggles to maintain a regular life while dealing with PTSD. However, deep within the 100-Acre-Wood, a destructive rage grows as Pooh, Piglet, Owl, and Tigger find their home and their lives endangered after their existence is revealed.