In this 'deliciously creepy' (TV Insider) psychological thriller, Helena visits her troubled twin sister, Siri, at a secure retreat in the Italian Alps. But when she wakes up the next day, Siri has stolen her identity and fled, leaving Helena trapped inside a clinic where nothing is what it seems.

Emma Roberston is assigned to work with Connie Mortensen, a wife, and mother accused of a despicable crime. Her assessment will determine whether Connie faces life in jail, life in a secure psychiatric hospital, or the chance of rehabilitation and release. Emma hopes that the high-profile case will make her career, but her sessions with Connie quickly become a complex psychological game of cat and mouse with confusing sexual undercurrents. Connie...