The untamed frontier was filled with dangers of all kinds - both natural and man-made - dangers that only the bravest could survive. And so far Kit Carson had survived them all. But when he set out north along the Missouri River he had no idea what lay ahead. He couldn't know what the Blackfeet were out to turn the river red with blood. And when he hitched a ride on a riverboat, he couldn't know that keelboat pirates were waiting just around the bend!