In a London mansion flat, a troubled actress named Cordelia seeks refuge from her past trauma while rehearsing a play. She bonds with Frank, a charming but enigmatic young cellist, after her sister and her boyfriend leave her alone. Their friendship takes a dark and unsettling turn.

Cordelia
Cordelia, still reeling from a traumatic experience, finds comfort in the familiar surroundings of her father's old basement apartment, where she reunites with her twin sister Caroline.