After Hugo drunkenly ruins a wedding, he travels to a secluded cabin to dry out. But his picture-perfect retreat isn’t quite perfect. The caretaker, Mila, is oddly nosy, the only thing in the fridge is vodka, and the rental instructions have one unsettling rule: “Always close and lock the patio door.” After trying to call a friend to apologize for his bad behaviour, Hugo succumbs to temptation. He drinks, he smokes, he leaves the patio door open. Just as he catches his error, Hugo is confronted by an eerily demon on the patio threshold. Hugo and the demon struggle with the door—but will that be enough to keep the demon out?