Single mother Elaine is disturbed by her son Martin's aggressive behaviour, she visits his late father's estranged family in small-town Luxembourg, which hides a much darker nature. When she realizes that Martin could become like them, Elaine is forced into a desperate fight for her son's future.
In the middle of the night, a police officer is called to a crime scene at an isolated convent on an island. When she finds herself alone inspecting the body, she realizes it is not a human being.
