Chameleon takes center stage as he puts his detective skills to work on a challenging case that could have major consequences for 31st century Earth! Plus, get to know the Legion's newest member-no, it's not Supergirl!

Chameleon is framed for murder. He explains what really happened to the Science Police and how a woman from the planet Titan named Jeyra Entinn, who came to the Science Police as a consultant, was really the killer. He is proven innocent and leaves, but jeopardizes his espionage mission since the SP now know he was masquerading as a Science Police officer. Meanwhile, Brainiac 5 takes Element Lad and Light Lass and takes the bodies of Dream Girl and Lemnos with him, disappearing, leaving the rest of the Legion in hot water with Dream Girl's people. Also, Supergirl goes to Theena to try to find someone named Seiss, an alien she saved from a falling wall. Theena informs Supergirl that she cannot find him.