A father tries to make his little daughter understand the reason for his political imprisonment. The jungle serves as an allegory of society and the hunter as its danger.

Selkirk, an unruly, selfish pirate, is the sailing master of the Esperanza, an English galley sailing the South Seas in search of treasures. When Captain Bullock decides to abandon him on an uninhabited island, he discovers a new outlook on the world and learns to survive alone, becoming the real Robinson Crusoe.