When astronauts crash on Pluto, only one man can save them - Superman! Faster than a speeding bullet, the Man of Steel soars toward the dwarf planet, towing a high-tech rescue vehicle. Soon, he discovers an unexpected passenger aboard the spacecraft. Jimmy Olsen, the Daily Planet's young photographer, has hitched a ride, but that's not Superman's biggest problem. When the evil Kanjar Ro attacks, the Man of Steel finds himself weakened by deep-space travel. Can he summon the strength to defeat the alien invader 3,660,000,000 miles from Earth's yellow sun?