We find ourselves in Africa, in those dark years when inhumane slavery devastates human existence. The depths of the black continent have yet to be explored, and mystery accompanied by terror hangs over the unknown land. Anyone who dares to cross it must be prepared for anything: the dangers lurking at every step are countless. Fifteen-year-old Dick Sand faces terrible challenges and dangers capable of breaking even the strongest man. Armed with unwavering courage, determination, and readiness, and alongside a clever and strong native, he will be thrown into an adventure that will surpass all expectations and sweep them to the brink of the abyss.