A visit to his convalescent aunt prompts Barnaby to investigate a series of suspicious deaths at the nursing home where she is staying.

Angela Down, Arthur Cox, Caroline John, Carolyn Pickles, Colin Tiernay, Cyril Shaps, Daphne Goddard, David Killick, Deborah Findlay, Geoffrey Bayldon, Georgine Anderson, Gudrun Ure, Mali Harries, Matyelok Gibbs, Nigel Davenport, Phyllis Calvert, Sam Beazley, Sarah Ball