When her detective husband is murdered, PC Jo Gillespie (Sheridan Smith, Hysteria) is expected to let her colleagues find his killer. Told to keep quiet, she conducts her own investigation and soon learns that he had been working undercover. As her life unravels, Jo confronts painful truths about her marriage and herself. Set in the West Yorkshire city of Leeds, this tense three-part drama features a strong supporting cast including Douglas Henshall, Geraldine James (Sherlock Holmes), and Matthew McNulty (The Paradise). 1 DVD, SDH.