Kidnapped as an infant, Edward has always felt something was missing from his life. 30 years later, he receives a call from his long-lost twin brother, and he and his girlfriend Riley embark on a journey to Portugal to meet his family. Arriving at their magnificent, remote mountain villa, Edward is excited to meet his mother and brother, and eager to connect with his origins. Riley soon grows suspicious of his family when hostile neighbors reveal a sinister past. Nothing is as it seems, and Edward soon discovers he is linked to his family by a monstrous secret.