Henry, a retired naval officer, well-liked in his community, finds his life threatened by an unknown assailant. Henry's brother is murdered, and Henry takes over the family business. He becomes close to two families in his community, taking a special interest in the children as they grow into their teens and need a mature mentor. He welcomes the families to his lovely cottage on a nearby lake. But there is an undercurrent of malice in Henry's life, as he suffers several serious accidents. It becomes clear that someone is trying to kill him. Hazy memories of a particular voice, shouting at him, eventually provide a clue as to his enemy's identity. But the important question remains: What has he done to deserve this harassment?