Kate Kane (Ruby Rose) is Bruce Wayne's cousin: three years after his disappearance, she decides to take up the mantle and protect Gotham while Batman is gone. With the help of Luke Fox (Camrus Johnson), she adapts Bruce's batsuit and assumes the identity of Batwoman. In the first season, she has to face the Wonderland Gang, a terrorist group led by the mysterious Alice (Rachel Skarsten) whose mission is to turn Gotham into a nightmare. Kate's fight against crime also sees the help of her ex-girlfriend Sophie (Maegan Tandy), a military trained agent, and he stepsister Mary (Nicole Kang), a medical student trying to help marginalized communities.