Penelope Henderson, party girl, dark and twisty, just trying to graduate with her criminal psychology degree, fresh out of a toxic relationship and freshly kicked out of her accommodation turns to her best friend, Andrea Knight, who offers her a place to live with her and her older brother Theodore. Andrea has one rule, do not get involved with Theo. How hard can that be right? Theodore Knight, golden boy, heartbreaker, only focused on his law internship and getting a different girl in bed with him every chance he gets. That's until he met her. The one girl his sister warned him to stay away from.