The development of a major resort complex at the southern end of Breakfast Island is causing a ruckus. Local residents, summer people and mainland fishermen are all hopping mad that the peace of their island retreat is being shattered. Then a cabin cruiser explodes in the marina causing general alarm. But when a series of deadly "accidents" follow on the heels of the mysterious explosion, Qwilleran begins to wonder if sabotage is involved. In search of a good story for his newspaper column, Qwill and the cats set off for Breakfast Island. Why are people suddenly being killed? And what do the deaths have to do with the rapid transformation of this island? Of course, Qwill, Koko and Yum Yum are on the case.