Holidaying alone oil the island of Laggan-Laggan, Hamish is drawn into a twenty-year old mystery which has poisoned the community. Why do the islanders shun Hamish's hosts, the Catholic priest, Father McPhail and his Protestant sparring partner, Enoch McDuff? Anxious to avoid being caught in their inter-dominational crossfire, Hamish pretends to be Jewish. He is intrigued by Laura McDuff's allegations concerning the mysterious death of her mother all those years ago, but is his interest in her simply that of a policeman Who Suspects foul play?

Lochdubh prepares for tile annual shinty match against Dunbracken with a ruthless Lachlan coaching the village team. Last year was Dunbracken's nineteenth win in a row; a twentieth will award them the trophy forever and there's high tension in the air. The Lochdubh players are amazed when star goalie Lachie Junior walks out on the team, then Lachlan turns into a love-sick Romeo besotted with a voluptuous, leather-clad female biker. Hamish however suspects that all is not what it seems, and the villagers hatch a plot to overcome foul play at the match.