She's about to find out how thin that line is between love and hate...Kelsey Sutton is headed to Barbados for the biggest wedding of her event planning career, so this should be the most exciting time in her life—if only her childhood arch nemesis wasn't going to be in attendance. Avoiding Alexander in such close quarters will be impossible. But, Kelsey's a professional, and a silly childhood rivalry isn't about to derail her.Alexander Arroyo has always loved getting a rise out of his childhood crush, but Kelsey's not a little girl anymore, and getting under her skin is no longer enough; he wants to get under her. And, if he's lucky, find a way into her heart in the process.Avoiding Alex isn't only impossible at the secluded beach resort in Barbados, but the more Kelsey tries to ignore him, the less she actually wants to. Under her skin, under her sheets... the line's been blurred and rivalry is turning quickly into romance.