Evidence to Destroy — Margaret Yorke

At first Lydia Cunningham seems just a nice, neat, self-contained widow in reduced circumstances, who has problems with her children...

Her daughter Thelma, recently divorced, has just paid a rare visit - bringing along a young man she met on the train.

Lydia's son Gerald has also had an unhappy marriage, and he too has embarked on a series of brief, unsatisfactory affairs.

At the fractured centre of this family's relationships lies a murderous, guilty secret - a secret that will now prompt a terrible crime...