Roaming the vast jungles of Congo with his best friend, Bongo the gorilla, Antonio della Buffas, a mysterious man whom the natives call the "white...

Alberto loves Maria, daughter of Arturo, a rich owner of boats, his love is reciprocated by the girl and has the approval of her father.

Roberto Maldi, a young scientist, is trying to find a serum capable of giving courage but he unwittingly invents a serum which transforms any man in...