When it comes to his best friend's sister, he's tempted to be much more than her protector...

Assigned to keep an eye on social media darling Ava Maddox, security expert Zack Austin is more than up to the task. After all, she's like family. But dealing with the dynamic beauty requires every ounce of patience...and sexual control. They've been denying their forbidden feelings for way too long and soon professionalism gives way to passion. Zack's willing to face her overprotective family's wrath, but is Ava's talent for finding trouble about to explode in his face?

Mills & Boon Desire — Luxury, scandal, desire — welcome to the lives of the elite.