The bright, defiant, energized team of 31st century super-powered teenagers known as the Legion of Super-Heroes gained a dynamic new ally as legendary 21st century hero Supergirl made her debut in the new millennium. She now fights alongside her teammates to keep the United Planets safe from the forces of evil. In this volume, The Legionnaires longtime leader, Cosmic Boy, has disappeared and they must discover whether he was captured by enemies or if hes fled responsibility for the "war crime" he has been accused of.Will they be prepared for what they find?
The Legionnaires' leader, Cosmic Boy, has disappeared. Was he captured by enemies or has he fled responsibility?
— Description from Comic Vine community (comicvine.gamespot.com).
