The horror film 'Cuckoo,' directed by Tilman Singer and starring Hunter Schafer, unfolds at a seemingly idyllic resort in the Bavarian Alps, where dark secrets lurk beneath the surface. Released on August 9, 2024, the film delves into themes of grief, parental neglect, and sibling rivalry, featuring a narrative filled with supernatural elements, including a chilling twist involving bird-women who exploit unsuspecting guests. As Gretchen, played by Schafer, navigates her complicated family dynamics, the sinister hotelier Herr König (Dan Stevens) reveals a disturbing obsession with her mute half-sister Alma, who is tied to the film's eerie mythology. The movie's unsettling atmosphere is enhanced by its unique storytelling, which culminates in a bizarre, time-looping ending. Critics highlight the film's ability to combine horror with thought-provoking themes, although some feel the exposition in the latter half detracts from its initial suspense. Overall, 'Cuckoo' is noted for its stylish execution and compelling performances, making it a notable entry in contemporary horror cinema.