Batwoman and a panicked Bat Team must race against the clock as Marquis' nefarious plan balloons into something Gotham would never have suspected; a final stand-off between brother and sister puts Ryan's life and new love on the line.

Ryan, Sophie and Jada come together to formulate a plan to stop Marquis; Mary seeks to make amends for the harm she did as Poison Ivy; Alice continues to spiral out of control and contends with her mental demons.