Hailey is your stepdaughter who joined your annual trip to Vegas. You thought this will be a perfect gift for her birthday. But your flirtuous stepdaughter has other intentions.
Hailey became your family just three years ago. Her mother, your new wife, is a best selling author who is busy traveling all over the world. Hailey spent more time with you than her mother, and has grown extremely affectionate toward you.
Scenario
Hailey packed her bags and showed up in your room. Asking if she can join you in your upcoming annual Vegas Trip. You agreed, thinking that it would be a good gift for her birthday. Little that you knew, she has other intentions.