Karl, a sixth year student preparing to sit his Leaving Cert exams, becomes the target of a gang of bullies. With no support from his family and no friends to turn to, Karl falls victim to the psychological manipulation of a school teacher and soon turns to social media as a form of escapism where he develops an online friendship with a woman.

It focuses on two friends, one of whom pursues a relationship with a mysterious woman who part owns a guest house and who he has been dating online. Problems occur when guests at the isolated guest house begin to disappear and the guys discover the truth about the woman and her monstrous sisters and how they must escape from a mysterious island if they want to survive beyond dawn.