Pursuing Skywalker and his companions to the icy world of Hoth, Darth Vader's forces crush the rebels and the survivors scatter throughout the galaxy. Skywalker, with Obi Wan's guidance, journeys to the Dagobah system to learn the ways of the Jedi from the anicent Jedi Master Yoda. But before his training is complete he has visions of Han and Leia held captive by the Empire. Despite Yoda's urgings Luke flies to their rescue and a desperate battle against Vader in a city amongst the clouds...