Rupert and Amy get into a spot of trouble when spending the weekend with old friend Helen Bardsley, whose husband David seems not all that right in the head.

Rupert and Amy investigate strange goings-on at an old house bought by agent Christopher Bridgewater

Rupert and Amy travel to Rome by train and stumble across another mystery.

Rupert, in Amsterdam to research his latest novel, gets involved with a woman who is caught up in an illegal South American mining operation.