Penny Barber is a stepmom who is hard to please, and Billy Boston constantly feels her stinging wrath. When Billy walks out on his chores one day, Penny decides it’s finally time to punish her unruly stepson. But Billy ends up liking the torture, and so to make things right, Penny comes on to Billy hard. The result is the start to what looks like a beautiful sex marathon between Penny and Billy—chores have never looked so fun.