When a murder occurs in an exclusive swingers' club, DI Wednesday and DS Lennox find themselves immersed in a murky world of sex and secrets. It doesn't take long for the members to turn on one another, and for their clandestine affairs to come crashing into their everyday lives. As Wednesday experiences the pressures of work and caring for her mother's mental illness, and Lennox's ex-wife has him worrying about the sustainability of his role as a father, their case brings about questions of personal freedom and they begin to wonder if we are all, in fact, owned in one way or another.
