In this second adventure, Nat faces truly formidable forces as he tries to keep his word to the Tachahana Native Americans—or else Falmouth and the Tachahana will destroy each other. Ranging from the forests of Maine to the open sea, Nat and his friends Paulo and Ruth struggle against the rich slave-trader Murgler, who also wants to kidnap Paulo into slavery. Loaded with action and cliff-hanger chapter endings.