"MANSLAUGHTER" finale! A mysterious plague has infected all the men in Gotham City! The Birds of Prey have united the city's female heroes to stop whoever's behind this manfluenza, but even their combined might may not be enough to defeat the Daughters of Gotham and their mysterious leader, Patient Zero. They'll have to act quickly if they want to save Batman and the men of Gotham before they succumb and the virus spreads far beyond the city limits.