In a small island community in Jersey, a young woman falls for a mysterious stranger who gives her the opportunity to escape her oppressive family. When he is suspected of a series of brutal murders, she defends him at all costs and at the same time learns what she is capable of.
Beast is a psychological drama thriller about Moll, a young girl played by impressive newcomer Jessie Buckley. She meets the exciting alien Pascal, while rumors of a serial killer spread across the isolated island. Moll has challenges with a controlling and indulgent relatives, and his own dark background. Pascal seems to be the only one who really understands her. However, there is something dark and mysterious about Pascal, and he soon attracts attention in relation to the killings. The question is, how far is Moll willing to go to protect his new lover and soulmate?