The Bat-Fam, Black Mask, and Lady Marabunta finally face off, while Ivy, Knockout, Bella, Livewire, and Nightfall break Porcelain out of Blackgate Penitentiary! Meanwhile, Harley visits an incarcerated Bruce Wayne for an unscheduled therapy-and-venting session. How much longer will Harlivy keep their secrets from each other before it's too late?