Lando has betrayed Han and his companions to the Empire, but now he has had second thoughts about his decision. Knowing he will lose everything, he nevertheless sets in motion a plan to free Leia, Chewbacca, and the droids. He calls in Cloud City guards to subdue the Stormtroopers who are escorting the prisoners, giving them all a chance to get to the Millennium Falcon and escape Vader's clutches.