Ex-police woman turned sex therapist, Linda (Suranne Jones) has her own problems. Unable to have children with her husband Richard (Cristian Solimeno), she turns to her business partner and brother-in-law, Greg (Tristan Gemmill) for help. Life only gets more complicated when Linda is called in to consult on a sordid murder case by her former lover, Angie (Eva Pope). Things hit a little close to home when one of Linda's clients is found dead. Caught in a storm of emotional conflict, intrigue, suspicion and unsure who to trust, Linda begins to realise that her own life may be in danger.