Grimbor the Chainsman has surrounded Earth with a network of gigantic chains, preventing anything and everything from passing through the atmosphere. Lightning Lad is leading Saturn Girl, Shadow Lass, Mon-El, Light Lass, and Timber Wolf on a mission to check out the energy chains, only to find that the indestructible shackles are tightening around the planet at an alarming rate. Unfortunately for them, none of their powers has any effect on the massive chain, but luckily, Saturn Girl is able to detect a faint mental link emanating from the North Pole and towards the fetters. So begins... "Tragedy at the Top of the World!" Legion of Super-Heroes #278 Cover by George Pérez (May, 1981) Artist: Jimmy Janes Inks: Bruce D. Patterson Colors: Gene D'Angelo Letters: Todd Klein Writer: Gerry Conway A second team formed by Star Boy, Shrinking Violet, Colossal Boy, Wildfire, and Element Lad, is serving as liaison between the Legion and the Earth Council, in hopes...