Leslie Luckabee appears as the new owner of the Daily Planet while a mysterious new woman superhero named "Vixen" decides to take the law into her own hands by killing the villains instead of arresting them, she crossed a million lines. Superman tries to find out who she is and where she comes from while CEOs of Luthor's former companies disappear. It is revealed that behind the disappearances is Vixen, who is told to do so by a facially disfigured man who lives hidden under the name Mr. Smith .Leslie offers himself as bait for Vixen so Superman can capture her. When Vixen kidnaps Leslie, Superman follows her and the two of them fight. During the fight, Vixen is destroyed while Superman finds out that she was not a human but a machine. Lois and Clark want to find out who made her and why while it is revealed that Mr. Smith really works for Leslie who is in fact Lex Luthor's son and wants revenge for his father.