San Juan de Puerto Rico, fall of 1520. Juan Ponce de Leon, conquistador and first governor of the island, plans his second voyage to Florida, discovered and named by him seven years previously. Officially, his aim is to found the first city in this territory, of which the Spanish Crown has appointed him as its Adelantado, with powers that would make him in the first European to politically govern at his destination. But, secretly, at the same time, he is also planning to reach the Fountain of Eternal Youth, taking advantage of the information that he has accumulated after his conversations...