Three adult siblings find their family thrown into disarray when their recently widowed mother, Vivien, declares she is in love with a new man. The tension his presence creates threatens to drag the whole family towards tragedy, and perhaps crime.
Vivien tries to dismiss her children's fears about Mark, even as serious doubts creep into her mind. Jake's chances of reconciling with Leila suffer a potentially fatal blow. Helen is desperate to patch things up with George, even as her career hangs in the balance.