After his breakup with a famous model, Ralph Meyer has a friendly dinner with his previous partner, Sarah Whitman. After that first date, they plan a weekend trip to the cabin that he gave her when they were dating, to confront the ghosts of the past and promote reconciliation. The country house is located in an enigmatic place, famous for the strange and mysterious events that take place there. Against all her mother's warnings, Sarah will go with Ralph and, upon arriving at the "My Stay" cabin, a series of sinister events will be unleashed that, in addition to teaching them secrets of the magical world that lives in nature, will reveal to them why . That place, where so many disappearances occur, is called "The Devil's Mouth."