Three friends fly from Moscow to Havana. At first glance, they look like ordinary tourists. In fact, they are looking for gold from the Spanish ship Gloria, which sank in 1673. Our heroes are experienced treasure hunters and professionals. From Havana they travel to the Caribbean Sea, to the bay where the treasure should be. But along the way, in some mystical way they move into the past, and exactly to the year when the gold was hidden.