After years of training, Kate Kane returns to Gotham to become a member of her father Jacob's security team, the Crows. Batman disappeared three years ago, and Gotham is just now beginning to adjust to his absence. When the Wonderland Gang abducts Kate's former lover Sophie, Kate discovers a secret about her cousin Bruce that will change her life... and the lives of everyone in Gotham.
Back in Gotham, battling Alice and the Wonderland Gang from the shadows, Kate Kane continues to be haunted by the events surrounding her sister's death 15 years earlier. While the city holds on to hope that Batman has returned, 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. Sophie and Kate are forced to team up, while Mary finds herself in Alice's crosshairs.
As the city waits impatiently for another visit from who they think is Batman, 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. And as Batwoman faces a new enemy, Kate realizes she must either walk away from her new role or fully embrace the mantle as Gotham's new hope.
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 as the pair track their unwelcome visitor and discover she has more sinister plans than snatching shiny objects.
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 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.
Kate and Sophie must reconcile with their past as Kate questions just how much she can trust her former lover. Kate and Luke have an encounter with an old friend. Mary grapples with the fate of the Kane family as Catherine seeks Jacob's help. Alice and a new cohort are in on yet another nefarious plan, but her motives are more than they seem.
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.
The group uses Ray's invention to track new recruits to help save the universe. The Monitor sends Iris, Clark and Lois in search of a mysterious Kryptonian, while Kate and Kara head out to find Bruce Wayne. In addition, Mia challenges Sara, Rory discovers a hidden talent, and Lex Luthor returns.
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.
On the Kane sisters' birthday, Kate and Alice contend with demons from the past, and an unexpected guest makes a surprise appearance in Gotham.
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.
A new villain sinks her teeth into Gotham and The Hold Up opens in grand fashion. Sophie reluctantly requests that Batwoman keep her distance knowing their interactions could compromise her career.
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.
More of Alice's dark past is uncovered when Cartwright shares a twisted story with Kate while Jacob goes searching for his wayward daughter. Mary and Luke follow a lead on Beth's hugger.
Kate begins to question her instincts and Luke gets upsetting news. Alice seeks her sister's help with a special task.
Batwoman encounters a new challenge when an old villain resurfaces, testing the heroics of Gotham's most stand-up citizens. Alice's limits are tested.
Batwoman enlists Luke and Julia for an undercover mission to recover one of the most important items from her cousin's arsenal. While Alice continues developing her devious plans within Arkham's walls, she gets an unexpected visit from Jacob Kane who needs her help. Meanwhile, Mary tries to prove herself to Kate. As Sophie gets closer to a co-worker, Kate reunites with an old flame.
When members of Gotham's intelligentsia begin disappearing, Commander Kane, Sophie and the Crows go searching for the newest homicidal threat to the city. In the meantime, Kate is consumed with someone's betrayal and starts questioning the loyalty of everyone around her just when she needs them most. So when Luke and Julia go missing, Batwoman must rely on Mary and a former foe to deploy her rescue mission. Meanwhile, Alice enlists Tommy Elliot to help acquire an elusive item that her sister also seeks.
When one of Gotham's former heroes returns to his old stomping grounds to settle a score, both Batwoman and Commander Kane find themselves on the defensive. Meanwhile, Alice has uncovered what could finally take down Batwoman, but she is losing hold on her henchman Mouse and Hush, sending her spiraling into her most wicked self. Luke immediately focuses on finding a way to protect Batwoman from Alice, and Mary has a chance to be the sister Kate has needed all along. New information surfaces, forcing Julia to warn Sophie about the person pulling the strings. And in a final standoff, when Commander Kane refuses to retreat from his war on Batwoman, Kate may find herself more than heartbroken by her father's choices.