Summer 1946. A man in his thirties is sailing on Lake Maggiore in northern Italy, hoping to put off the inevitable return to work. Dropping anchor in a small port, he meets the owner of a nearby villa who invites him home for in his waterside mansion. The sailor in a guest room previously occupied by a now deceased bishop related to his host. The two men form an uneasy bond, recognizing in each other a shared taste for idling and erotic adventure. They soon set sail together, but sudden tragedy puts an end to their revels and shatters the tranquillity of the villa...