When Adam Cauliff's new cabin cruiser, "Cornelia II," blows up in New York harbor with him and several close business associates aboard, his wife, Nell MacDermott, is not only distraught at the loss but wracked with guilt because she and Adam had just had a serious quarrel and she had told him not to come home.

The quarrel was precipitated by Nell's decision to try to win the congressional seat long held by her grandfather Cornelius MacDermott. Orphaned at age ten, she had been raised by "Mac," as she called him, and was always at his side on Capitol Hill. Politics was in her blood, and Adam had known her ambitions when they married. Suddenly, however, he became opposed to her plan to run for Congress.

Nell, like her great-aunt Gert, possesses psychic gifts, which her grandfather scoffingly dismisses as "flights of fantasy." As a child she had been aware of the deaths of both her parents and grandmother at the exact moment they died. She knew be