French supernatural horror. Chloé Coulloud stars as Lucy, a young woman who, haunted by the death of her mother, feels that she is going nowhere in life. On the first day of her latest dead-end job as a home carer, she is taken to a strange old house & introduced to a comatose patient, former dancer Mrs Jessel (Marie-Claude Pietragalla). Lucy discovers that Mrs Jessel is rumoured to have a stash of treasure hidden somewhere in the mansion. When Lucy tells her boyfriend, William (Félix Moati), this story, he persuades her & his brother, Ben (Jérémy Kapone), to accompany him to the house that night to find the treasure. But their hunt soon leads to terror as their actions trigger a series of horrifying supernatural events.