When Jim Qwilleran's friend Polly decides to spend two weeks on vacation with an old girlfriend in Oregon, he finds himself at a loose end. But not for long - a visit from Nick Bamba brings news of a hotbed of mystery. Nick and his wife, Lori, fear that their new venture, the Domino Inn on recently developed Breakfast Island, won't see out one summer season let alone a lifetime. A series of fatal accidents is beginning to deter further visitors...