Falling in love with your best friend's sister may not be taboo to everyone. For Logan Grant, it's simply unthinkable. A man of his word, Logan would never break a pact he made, no matter how much heart-wrenching agony he suffers each time he thinks of the woman of his dreams. Sera was, is, and always will be the one who owns him - heart, mind, body, and soul. Staying true to his word is becoming harder and harder the more time they spend together. As the sexual tension between them grows, so does his need to be with her. A best-selling author, Seraphina Matthias has decided to take her research to the next level, and she knows there's only one man she wants to fill the role of muse and partner in discovery. Close friends, Logan has always been there to catch her as she stumbles through life. Although she's never really thought about him sexually or romantically, she knows she trusts nobody else to help her with her research - even if he is completely unaware of her intentions. Will Logan be able to stay true to himself and honor his agreement while his heart's desire begins to play a wicked game? Will Sera's secrets cause her to lose his trust and friendship? His love?