Masterpiece Theatre When General Fentiman is found dead in his chair at the posh Bellona Club, the cause seems straightforward: a heart attack brought on by old age. Then Lady Dorland, the General’s sister, dies on the same day. Is it a startling co... (more)incidence or something more sinister? Called in to investigate, Lord Peter becomes suspicious of the general’s grandson, whose peculiar behavior and whereabouts on the night of the deaths seem incriminating. But these suspicions are overshadowed by the discovery that Miss Dorland, Lady Dorland’s niece, has an abiding interest in poisons. In Part 4 - Execution Day: Five people stand to benefit from the General's death. But who had the most to gain and the willingness to risk it all?