All six episodes of the Channel 4 comedy drama starring Charly Clive as Marnie, a troubled 24-year-old plagued by incessant sexual thoughts. Seeking a new life, Marnie abruptly moves to London and attempts to find herself in the capital. She moves in with her school friend Shereen (Kiran Sonia Sawar) and begins attending sex addiction meetings where she meets porn addict Charlie (Joe Cole) and gets a job, where she befriends Amber (Niamh Algar) and Joe (Anthony Welsh). With the help of her new friends, can Marnie finally find out what's going on inside her head?