Ep 1. Pilot

Kate Kane, Bruce Wayne's cousin, returns to Gotham City after years of training abroad and serving in the military. She is drawn back to her hometown after the sudden disappearance of her beloved ex-girlfriend Sophie Moore, and soon finds herself immersed in the city's dangerous underworld.

In the opening scene, we see a group of criminals break into a private security facility and steal some dangerous weaponry. They get away with it, but not before setting off explosives that completely destroy the building. We then see Kate waking up on an airplane, which is flying her back to Gotham City after a long absence. She's nervous and a little apprehensive, but determined to find out what happened to Sophie.

Upon her arrival, Kate quickly discovers that things have gotten worse in Gotham since she left. The city is overrun with gangs and violence, and the police force is powerless to stop them. What's more, her father, Jacob Kane, has taken over the private security company that failed to stop the robbery at the beginning of the episode.

Kate's attempts to connect with Sophie are complicated by her family's strained relationship with her. We learn that Kate's mother and sister were killed in a freak accident when she was a child, and that her father blames Batman for not being there to save them. Kate resents her father for this, and for being emotionally distant for most of her life.

As she begins to investigate Sophie's disappearance, Kate realizes that she has some deep-seated issues with her own identity. She comes to realize that she's been suppressing a lot of her own emotions, including her sexuality, and that she may need to come to terms with these things in order to fully embrace her role as Gotham's new vigilante.

Throughout the episode, we see Kate struggle to learn the ropes of crime-fighting. She gets in over her head a few times, but ultimately ends up defeating a group of criminals and earning the trust of the city's citizens. Along the way, she meets a few allies, including a tech expert named Luke Fox, who helps her create her own Batwoman suit, and a bartender named Sophie, who is more than just a friendly face from Kate's past.

As the episode draws to a close, Kate has established herself as something of a hero to the people of Gotham. She's still on the hunt for Sophie's kidnappers, but she's also come a long way in terms of her own personal journey. The final moments of the episode reveal a new mystery: a masked figure who seems to be targeting Gotham's most powerful citizens. Kate realizes that she may have some competition as Gotham's new hero, but she's more than ready to take on the challenge.