With a battle for power brewing, Helen comes face to face with what she's been searching for since arriving on the island. When the sisters are separated, Tallulah witnesses a gruesome act of violence, and Ellie learns of their mother's hidden agenda. As tensions reach a fever pitch for all those on Osea Island, Helen and her girls make a desperate final attempt to escape.
Elenco: Jude Law , Naomie Harris , Katherine Waterston , Emily Watson , Paddy Considine , John Dagleish , Freya Allan .