No one can know the truth about their relationship, and when they're together, they forget about it too. Billionaire Derek Wilson gets an invitation for his ex's wedding . . . to his best friend. Now he needs to prove to everyone that he has moved on, but how? Single mom Sophia Smith desperately needs some extra cash for her daughter's medical bills. She'll do anything to get what she needs, even become an escort for the old, cranky rich guys in town. But Derek isn't any of those things. The fire between them doesn't take long to make them wonder if their relationship could ever be something more than a conventional agreement.