When Mac tries to claim the station wagon left to him by his late Grandpa Harry, it starts a strange chase that leads him to an ex-con with a dream of running a restaurant, a soup kitchen in need of money, and a gang of crooks out for themselves.

Mac tries to help an acquaintance just out of prison stay on the straight and narrow despite the efforts of his old biker gang to blackmail him into rejoining them.

Mac's friend Earl Dent looks to him for help when he fights to retain custody of his teenage daughter while preparing for a boxing comeback that bookmakers want him to throw.