Traitorous California Senator tries to use the newly founded Pony Express to further his plans for a California Republic, but Unionist Frisco Jack will try to stop him.

影片讲述一个19世纪的巴西人，让庄园主的三个女儿都怀了孕后，被流放到西部非洲从事贩卖奴隶的勾当。他为了达到目的，跟当地人建立交情，甚至推翻了一个疯狂的君主，自立为王。几年过去了，他越来越有钱，也越来越大胆。