Uvnitr me hlavy / Magic Magic (2013)(CZ)

Alicia arrives in South America to vacation with her cousin, Sara. When Sarah is suddenly called away, Alicia is stuck on a remote island off Chile with three of Sara's friends, including Brink, an American exchange student with a sadistic streak. Bewildered, frightened, and unable to sleep, Alicia's reality becomes a nightmare from which there is no waking. Ancient indigenous rites, disturbing animal behavior, and captivating hypnotic trances come together in an intense exploration into the darkest corners . . . when the games go too far, reality unravels with astonishing and deadly consequences.