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.

• Imelda Staunton
• Francesca Annis
• Claudie Blakley
• Russell Tovey
• Lydia Leonard
• Stephen Rea
• Sharon Small
• Keir Charles