Late night TMC ( I have a hard time falling asleep) has introduced me to a number of movies from the seventies I never even knew existed, eg, this one, starring Harvey Keitel and Robert DeNiro.
Don't follow what the big problem was, except a small debt that wasn't paid and two hours was "paid" explaining that, and a loophole ending, but otherwise, an under-the-radar movie I never heard of beforehand.