Under direct orders from President Thomas Jefferson,Meriwether Lewis and William Clark lead the first expedition ofits kind through the uncharted frontier. In hopes of reachingthe Pacific Ocean, Lewis and Clark's team travels by boat upthe Missouri River, but the waters become too shallow to crossthe Rocky Mountains. With no way to travel by land with theirsupplies, Lewis and Clark rely on a young Shoshone woman namedSacagawea who is accompanying them on the expedition tocommunicate with the Shoshone tribe and set up a trade for thehorses that they need to cross the Rocky Mountains beforewinter and successfully reach the Pacific Ocean.
