Stephanie Plum has a way of attracting danger, lunatics, oddballs, bad luck ... and mystery men. And no one is more mysterious than the unmentionable Diesel.He's back and hot on the trail of a little man in green pants who's lost a giant bag of money.Problem is the money isn't exactly lost. Stephanie's Grandma Mazur has found it, and like any good Jersey senior citizen she's high-tailed it in a Winnebago to Atlantic City and hit the slots.With Lula and Connie in tow, Stephanie attempts to bring Grandma home.But the luck of the Irish is rubbing off on everyone.Lula's found a job modeling plus size lingerie, Connie's found a guy, Diesel's found Stephanie. And Stephanie has found herself in way over her head ...