"Patlabor" is set in a near-future Tokyo where the widespread use of humanoid robots, known as Labors, has led to the creation of specialized police units to handle Labor-related crimes. The series primarily revolves around the members of Special Vehicles Division 2, Section 2 (SV2), a unit tasked with operating Patrol Labors (Patlabors) to maintain order and respond to incidents involving rogue or malfunctioning Labors. The narrative blends elements of police procedural, science fiction, and workplace comedy, offering a grounded yet imaginative exploration of its world.

The central characters include Noa Izumi, a passionate and skilled Patlabor pilot with a deep attachment to her Labor unit, Alphonse; Asuma Shinohara, a rookie pilot and the son of a prominent Labor manufacturer, who struggles with his family legacy; and Captain Goto, the laid-back yet shrewd leader of SV2, who often employs unconventional methods to solve problems. The team also includes the pragmatic and resourceful mechanic Shinshi, the diligent officer Ota, and the sharp-witted detective Shinobu Nagumo, who provides investigative support.

The storyline is divided into episodic cases and overarching plotlines. Early episodes focus on SV2's day-to-day operations, showcasing their efforts to tackle Labor-related crimes, from petty theft to industrial sabotage. These episodes highlight the team's dynamics, blending humor with action and character development. As the series progresses, the narrative delves into more complex and politically charged scenarios, such as corporate espionage, government corruption, and the ethical implications of Labor technology. A recurring antagonist is the mysterious organization known as the Griffon Corporation, which seeks to exploit Labor technology for its own agenda, leading to high-stakes confrontations.

The series also explores the personal lives and motivations of its characters, providing depth to their interactions and decisions. Noa's dedication to her work and her bond with Alphonse, Asuma's internal conflict over his family's role in the Labor industry, and Goto's strategic thinking and moral ambiguity are all integral to the narrative. The interplay between the characters and their evolving relationships adds emotional weight to the story, balancing the action and intrigue.

"Patlabor" is notable for its realistic portrayal of a futuristic society, where advanced technology coexists with everyday human struggles. The series avoids sensationalism, instead focusing on the practical and ethical challenges posed by the integration of Labors into society. This approach, combined with its well-crafted characters and engaging plotlines, makes "Patlabor" a standout entry in the mecha genre, offering a thoughtful and entertaining exploration of its themes.