CW | 8:00 pm

Some new information forces those closest to Kate to make some difficult decisions, while Batwoman (Javicia Leslie) faces off against Gotham's biggest foe in the new episode "Rule 1." Meanwhile, Ryan's feelings for Angelique (guest star Bevin Bru) risks damaging her partnership with Luke and Mary (Camrus Johnson, Nicole Kang), and Alice (Rachel Skarsten) takes a warped walk down memory lane. Dougray Scott and Meagan Tandy also star.