';I always know what I'm doing.' So says 18-year-old Sebastian Montero, who is famous around town as a problem solver of the subtlest kind. Want a date with the girl of your dreams? Bastian can make it happen. Have a friend threatening suicide? Baz can talk him off the ledge. But as popular as Sebastian is, no one really knows him. Thanks to his intricate network of favors and debts Sebastian controls the world, manipulates itand hides from it. It isn't until his best friend asks him to track down his long-missing father that Sebastian is forced to face the most challenging problem of all, the solution to which will change his life forever.