Cordelia (2019)

Plot

Cordelia, a deeply troubled actress, is slowly mending from an unspecified trauma. She moves into a haunting London mansion flat shared by her twin sister Caroline and Caroline's boyfriend, Matt. Left alone in the eerie space, Cordelia befriends Frank, an enigmatic and charismatic young man who plays the cello in the upstairs apartment. As their bond develops, it takes a dark turn, leading Cordelia into a chilling exploration of trust and deception. The line between reality and her troubled mind blurs, revealing unsettling truths about both Frank and herself.