The Legion of Super-Heroes must find out whether the assassin they’re searching for is really their long-dead teammate or merely a double or clone! But when they do finally capture him and discover the truth, what will that mean for the team? Meanwhile, the head of the League of Assassins decides to cut off that organization’s weakest link and destroy the Legion at the same time!
A dead warrior is brought back to life for the purposes of an ancient, evil organization! And when a visitor is assassinated at the Legion Academy, it’s up to the Legion of Super-Heroes to find out who’s behind it! But as they investigate the murder, are they prepared to learn the identity of the assassin? Can they think the unthinkable?