The Gotham City Sirens are back, and they’re going intergalactic! A new space-themed nightclub has opened in Gotham and the Sirens (Harley Quinn, Catwoman, and Poison Ivy) are suspicious that there might be something devious (and alien!) under the surface.There’s a hot new outer space-themed nightclub in Gotham City, and who better to rob it than Catwoman, Ivy, and Harley? But there’s more to this intergalactic discotheque than meets the eye(s), as the Sirens discover when they stumble headfirst into a plot to destroy the entire planet led by the club’s owner—the alien despot Despero! I hope you have good insurance, Gotham City, because you’re about to get wrecked. Special appearances by deadly DJs, hunky alien hotties, dancers dressed as aliens, mutant failures, one wild UFO, and lots and lots of fire!Collects Gotham City Sirens: Unfit for Orbit #1-5, the entire event series written by Leah Williams and drawn by Haining!