Talking to a Stranger S01 E04 The Innocent Must Suffer

"A quartet of plays about a suburban family's weekend"

The final part of the John Hopkins quartet goes back in time to Sunday morning when Mrs Stephens (Margery Mason) is busy preparing lunch as she has done for the past 30 years. Terry (Judi Dench) makes an unexpected visit that causes tensions to rise to the surface and tragedy strikes.