In the icy Arctic, Mr. Freeze has found solace and built a life with his terminally ill wife, Nora, who is kept in suspended animation while he searches for a cure. Disaster strikes when a submarine accidentally destroys his refuge, forcing Mr. Freeze to return to Gotham City. Desperate to save Nora, he discovers that she needs an organ transplant to survive and identifies Barbara Gordon, Commissioner Gordon’s daughter and secretly Batgirl, as the only compatible donor. Unwilling to lose his beloved wife, Mr. Freeze kidnaps Barbara and brings her to his new hideout at an oil rig.

As Batman and Robin search tirelessly for Barbara, they follow clues that lead them closer to Mr. Freeze. They learn of his tragic backstory and battle numerous obstacles set by the cold-hearted villain. Tensions escalate as the Dark Knight faces moral dilemmas and physical challenges while racing against time to save Barbara and thwart Mr. Freeze's desperate plan. Meanwhile, Batgirl uses her wits and skills in a bid to escape and assist the dynamic duo. The story builds up to an emotional and action-packed climax that tests the resolve and heroism of Gotham’s protectors.