Twins Andy and Pete were being looked after by their sister Becky while their parents were away. With two bored teens on her hands she should have known better than to challenge them.
Aahh, time to head with the family to Vegas for an exciting weekend, to sink into the pits of sin with the one-armed bandits and the slut machines there, finally emerging as shiny, freshly-minted whores and cuckolds to carry a little more sexy joy back to the mundane world. Compliments from Vegas.