Physician Davis Bentwood, making a lengthy housecall at the Coffin family mansion on the coast of Maine, finds the newborn grandson of Captain Cash Coffin, stiff and cold as a block of ice, in a cradle not ten feet from a roaring fire. Young Davis can find no medical explanation for the baby's death. After a mysterious accident at the family shipyard caused the simultaneous death of his twin sons, Cash Coffin locked himself in study, and threatened...