Five months following the murders, Christopher Robin tries returning to his regular life while dealing with his PTSD. Deep within the 100-Acre-Wood, a destructive rage grows as Winnie-the-Pooh, Piglet, Owl, and Tigger find their home and their lives endangered after their existence is revealed.

어릴 적 친구로부터 버림받은 곰돌이 ‘푸’와 ‘피글렛’ 참을 수 없는 분노와 배신감을 느끼며 잔혹한 복수를 시작한다.