Louise is living in a happy relationship, however there is a savagery within her. On a business trip to Paris, she is seduced by the mysterious and alluring Olivia - and it turns her life upside down.

Over the course of a week, sisters Inger and Ellen find their relationship challenged on a highly anticipated coach trip to Paris. Inger reveals her struggles with schizophrenia to the group, receiving both pity and discrimination. On arrival, it soon becomes clear that Inger has a hidden agenda concerning a figure from her past, ultimately involving the entire group in her hunt for answers.