After years away, Kate Kane returns to Gotham, a city in despair since Batman disappeared. With the help of her stepsister, Mary, and the crafty Luke Fox, the son of Wayne Enterprises' tech guru Lucius Fox, she continues the legacy of her missing cousin, Bruce Wayne, as Batwoman.
Members of Gotham's intelligentsia begin disappearing, causing Cmdr. Kane, Sophie and the Crows to go in search of the newest homicidal threat to the city; Kate starts questioning the loyalty of everyone around her just when she needs them most.
Batwoman and Luke are on the trail of a villain targeting social media mavens. Sophie gets an unexpected visit from her mother, and Mary offers her expertise to assist Kate. Jacob Kane is approached to make good on a favor, while Alice focuses on her plans for retribution.
As Kate is pulled between two sisters, Luke and Mary are tasked with finding the cause behind Beth's debilitating headaches. A visitor delivers some good news to Jacob, while Sophie takes her new role to the extreme and Alice makes a devastating discovery.
While Gotham busies itself reacting to Batwoman's awkward encounter, Alice celebrates her ultimate act of vengeance with Mouse. A devastated Mary focuses on Jacob Kane's trial, while Sophie seeks advice about her love life from someone unexpected. As they tackle the newest threat to Gotham, Luke prioritizes protecting Batwoman's secret, and Kate must decide what she is willing to do to honor Batwoman's identity...and her own.
The group uses Ray's invention to track new recruits to help save the universe. Meanwhile, the Monitor sends Iris, Clark and Lois in search of a mysterious Kryptonian, while Kate and Kara head out to find Bruce Wayne.
Kate and Alice continue their sister/nemesis dance, while Alice and Mouse construct their most evil plan yet. Mary invites Kate to a special event honoring Catherine and Jacob makes a decision that leaves Kate perplexed.
A disturbing death has Gotham reeling and the city reaches out for their new vigilante hero.Luke confides in Kate, while Sophie asks Jacob for a special assignment. Alice continues her nefarious plot against the Kanes, with Catherine being a conduit to part of her plan. Batwoman pays another visit to Mary.
Alice takes Kate down the sad, winding road of her life in the days after the accident as Jacob and Sophie attempt to track them. Mary has an argument with Catherine, which sends her looking for Kate at Wayne Tower, but instead she becomes unwelcome company for Luke.
A new villain with an eye for all things that sparkle drops in on the city. Kate attempts to find a balance between her personal life and her new role as Gotham's guardian. Catherine has an uncomfortable encounter with Alice, who always seems to be one step ahead of the Kane family. Batwoman pays fangirl Mary a visit to ask for a favor. Meanwhile, Jacob and Sophie try to piece together who was after their prisoner. Luke continues to finetune Batwoman's arsenal of weapons.
Alice continues to taunt Kate with a secret but also sets her sights on Jacob and Catherine. Kate is visited by Tommy Elliot, a childhood friend of her cousin who has finally realized his lifelong dream of being wealthier than Bruce Wayne and throws a party so all of Gotham can celebrate his success. Mary gets an unexpected new bestie when Sophie is assigned to protect her. Luke and Kate work together to uncover who may have taken a valuable weapon from Batman's arsenal.
Kate battles Alice and the Wonderland Gang from the shadows while continuing to be haunted by her sister's death 15 years earlier. Meanwhile, the city holds on to hope that Batman has returned; and Jacob Kane and the Crows up the stakes trying to take down the villainous crew. Kate continues to look to Bruce Wayne's legacy for guidance as Luke Fox inadvertently gets pulled into Batwoman's vigilante heroics.