We are in Africa, in those dark years when the inhumane slave trade degrades human existence. The depths of the black continent have not yet been explored, and mystery and terror hover over the unknown land. Anyone daring to cross it must be prepared for anything: The dangers lurking at every step are countless. Fifteen-year-old Dick Sand faces terrible hardships and dangers capable of bending even the strongest man. Armed with indomitable courage, determination, and readiness, and having by his side a clever and strong native, he will embark on an adventure that will surpass all expectations and drag them to the brink of the abyss.