Christopher Robin returns to the Hundred Acre Wood after many years to reunite with his childhood friends, Pooh and Piglet. However, instead of the warm welcome he anticipates, Christopher finds that Pooh and Piglet have transformed into feral, vengeful creatures. Abandoned by Christopher and left to fend for themselves after he departed for college, they have spiraled into madness and resorted to hunting humans to survive. Their friendship twisted by years of neglect, they are now filled with resentment and rage. Christopher's return triggers their deep-seated anger, setting off a terrifying series of events as they seek revenge for feeling abandoned.

Meanwhile, a group of young women on a weekend retreat finds themselves inadvertently caught in the chaos and horror unfolding in the woods. Unaware of the danger lurking nearby, they become targets of Pooh and Piglet's wrath. As night falls, the women must confront the horrific reality and fight for their survival amid an escalating nightmare. With the creatures relentlessly pursuing them, they realize that escaping the once-beloved forest might not be possible. Tension rises as the group struggles to protect one another and survive the bloodthirsty hunt initiated by what were once innocent creatures. The familiar environment of the Hundred Acre Wood becomes a dark, unsettling landscape where innocence is lost, and fear reigns supreme.