[1][2][3][4][5] The film tells about the fifteen-year-old sailor Dick Sand, who as a result of the betrayal of the ship's cocago Negoro is on the banks of Angola, where his adventures begin.
The whaling brig "Pilgrim," commanded by the experienced Captain Gulya, arrives in Auckland, where it takes aboard passengers, including the family of shipowner James Weldon.
Fifteen-year-old cabin boy Dick Sand, along with the rescued African Americans, is left to take on the roles of both captain and crew in order to deliver the passengers to South America.
However, due to the betrayal of the treacherous ship's cook, Negoro, a former slave trader, the brig is diverted from its course to America and instead reaches the shores of Angola, where it is stranded.
Venturing into the jungle, Dick and his companions are captured by local slave traders, but the strongest of the Africans, Hercules, manages to escape.