So far, Selina Kyle's ambitious plan to gain control of Alleytown has been going purrfectly, but she's about to run headlong into a brand-new foe—and pass right through them...? Riddle us this, Catwoman! What do the Khadym mob, a non-corporeal assassin, and Poison Ivy have in common? And when it comes to solving riddles, there's only one person Selina can go to—no matter how much she hates the idea.