"Gunsmith Cats" is a three-episode OVA series based on the manga by Kenichi Sonoda. The story is set in Chicago and centers on Rally Vincent, a skilled gunsmith and bounty hunter, and her partner, Minnie May Hopkins, an explosives expert. Together, they run a small gun shop while taking on dangerous jobs to capture criminals. Their expertise in firearms and tactical combat makes them formidable opponents in the underworld.

The narrative begins with Rally and Minnie May being hired by Bill Collins, an agent from the Bureau of Alcohol, Tobacco, Firearms and Explosives, to assist in a sting operation targeting a gun-running ring. The operation quickly escalates as they uncover a larger conspiracy involving a powerful crime syndicate. Rally’s past as a former smuggler becomes a focal point when she discovers that her former associate, Roy Coleman, is deeply involved in the syndicate’s operations. This personal connection complicates her mission, forcing her to confront her history while navigating the dangerous present.

Throughout the series, the dynamic between Rally and Minnie May is highlighted, showcasing their complementary skills and unwavering loyalty to each other. Rally’s calm and calculated demeanor contrasts with Minnie May’s energetic and impulsive nature, creating a balanced partnership. The action sequences are intense and grounded in realism, emphasizing the characters’ proficiency with firearms and tactical strategies. The series also explores themes of trust, redemption, and the consequences of past actions, as Rally grapples with her involvement in the criminal underworld.

The antagonist, Roy Coleman, serves as a direct link to Rally’s past, adding a layer of personal stakes to the conflict. His manipulative and ruthless nature poses a significant threat, challenging Rally both physically and emotionally. The series builds toward a climactic confrontation that tests the limits of Rally’s skills and resolve, while also reinforcing the bond between her and Minnie May.

"Gunsmith Cats" is notable for its attention to detail in depicting firearms and tactical combat, reflecting Kenichi Sonoda’s passion for the subject. The series blends action, suspense, and character-driven drama, offering a concise yet engaging narrative that appeals to fans of crime thrillers and action-oriented anime.