Bunny King, a headstrong mother of two with a sketchy past, earns her keep by washing windows at traffic lights. Using her razor-sharp wit to charm money from gridlocked motorists, she saves every cent to get back the custody of her kids. After promising her daughter a birthday party, Bunny must fight the social services and break the rules to keep her word, but in doing so risks losing her children altogether. Accompanied by her niece Tonya, a fierce teenager running away from home, Bunny is in a race against the clock and headed towards an epic showdown with the authorities.