Two women, Maya and Celine, fantasize about killing a rich man and stealing his money. They never move the idea beyond the fantasize about it stage until one day the perfect victim drives into town. They discuss doing it for real and decide to put their fantasy into reality. They concoct what they think is a foolproof plan and put it into motion. It's a really good plan and almost succeeds, but an unforeseeable event happens. They fail and become the man's prisoners and slaves. After ten years of twenty-four slavery he frees them.
The story is offered in two versions, identical until the very end. If you're curious, the split begins when they are freed and are driving away. Maya pulls over and stops so she and Celine can talk.. There is another version which has a "Happily Ever After" (HEA). This version has a non-HEA ending. Choose wisely. Or choose both, that's allowed.
The first part of the story is vanilla, (mostly so, anyway) as they put the elements of their plan in place. But they become slaves. Then, after they are enslaved there is punishment and such, but not excessively delved into. Their punishments are elements of the story, not the focus of it..