In Venice, Daniele runs a dredge that is digging a new lagoon canal, called "The Canal of the Angels." He is married to Anna, who is much younger than him, and the two have a child, Andrea. Due to a work injury, Daniele is unable to accompany his wife to a party. There Anna meets "the captain," a young sailor who, while waiting for his dreamed boarding on a large ocean liner, works as a ticket-taker on the vaporetti that run in Venice. The captain is attracted to the woman and she, too, is not i...