The fate of a struggling young widow causes difficulties for James and Helen’s burgeoning romance. Meanwhile, Siegfried has another scheme to whip Tristan into shape, and a visit from Tricki…

Vinnie finally gets released from prison and with the newly promoted Detective Carl Slater watching his every move, he is doing his best to lie low.

It’s 1933, and an older and greyer Hercule Poirot receives letters threatening murder. When no-one listens to his appeals, the once great detective must take matters into his own hands.