Three successful adult sons return home to celebrate the 40th wedding anniversary of their working-class father (Bill Owen) and mother (Constance Chapman). However, tensions and unresolved issues soon arise. Colin (James Bolam) lives a comfortable life as a businessman but feels lonely. Andrew (Alan Bates) shocks everyone when he declares his intention to become an artist. The youngest son, Steven (Brian Cox), pines for his youth now that he has a large family and adult responsibilities.