In a small seaside town in the middle of tourist season, an old eccentric, Ugo Bonacic is murdered. The homicide inspector leads the investigation, which directs him to a strange foreigner dressed in white, who came to town with an American diving team. During the investigation, he finds out that old Ugo had a copy of one of Titian paintings, to which unusual legend is bind. Finally, a new version of an old Titian painting legend is cleared up.