Alice's fan buys the Mad Hatter's mind-controlling hat, and unleashes mad crimes, turning the city into a scene of chaos.
Batwoman reluctantly cooperates with Alice to track down Killar Croc, and at the same time, Ryan's life takes a dramatic turn when she meets her biological mother for the first time in her life.
Ryan comes face to face with her biological mother in a difficult confrontation that reveals shocking secrets, and receives a surprising offer from her brother, then she races against time to find a canister containing Mr. Freeze's cold agent.
The team discovers that someone is using a modified version of Mr. Freeze's compound to freeze abducted people, while Sophie's sister Jordan becomes the next target, facing an unknown fate.
Ryan enlists Sophie's help to attend a dinner with her mother, Jada, to gather information about how much Jada knows about Wayne Enterprises, but the evening turns into a nightmare when Ryan discovers a dark side of her mother and brother, Marquis.
Officer Renee Montoya discovers something terrifying in a garden shed, prompting her to put the entire city on high alert, while Alice wants to assist the team, and Sophie seeks revenge for her sister.
Ryan's life becomes more complicated as family tensions increase. She also finds herself in the middle of a conflict between Luke and Mary in the Bat Team, and at the same time, Alice finds a new assistant to carry out her plans.
The bond between Mary and Alice grows stronger, while Ryan, Luke, and Sophie grow more desperate to stop the duo. Meanwhile, Renee delves into her painful past.
As signs indicate that Pamela Isley has returned to haunt Gotham, Ryan, Sophie and Luke try to trace the original Poison Ivy. Mary senses the presence of a mysterious force.
Batwoman finds herself in a real dilemma when she tries to deal with Jada's increasing demands, Mary's growing power, and a new romantic relationship, and she faces a looming danger that threatens the city and her loved ones.
Things get more complicated in Gotham City when Batwoman finds herself on the brink of having her true identity revealed. Gotham's enemies form an evil alliance that threatens the city, while Sophie teams up with Luke on a dangerous job.
Ryan, Sophie and Jada team up on a joint mission to stop Marquis before he commits more heinous acts, and Mary strives to right her mistakes as Poison Ivy.
Marquis unveils an evil plan that threatens to destroy all of Gotham, and Batwoman and her team find themselves in a race against time to stop this disastrous plot, as all eyes are on a confrontation between siblings.