Nefarious — Mary Ann Marlowe

Dane Russ and Val Montgomery don't look like villains.The world knows them as the tech whiz kids who skyrocketed to fame and fortune—before they lost it all. Now, bored out of their minds at respectable nine-to-five jobs, the pair plot the demise of everyone who's ever wronged them. Including each other.Val has her sights set on corrupting the daughter of the man who stole their company, promising Dane one night in her bed if he helps pull it off. But Dane's busy plotting his revenge on the woman who publicly dumped him. All he needs to do is woo her back, then break her heart without getting hurt in the process. Easy.Jealous of Dane's smoldering infatuation, Val vows to take out her romantic competition, even if it means making an enemy of the man she loves. But by crossing Dane, she ignites a powder keg, and it's about to go off.