Rally Vincent is an expert on firearms, while her partner, Minnie May Hopkins, has a penchant for explosives. Together, they operate an underground gun shop, navigating the murky waters of legality. Their lives take a turn when Bill Collins from the ATF coerces them into working for the agency. Unbeknownst to them, their new assignment thrusts them into a high-stakes operation that far exceeds their expectations, blending action, humor, and unexpected twists as they confront threats on multiple fronts.