15 year old Blair Caffrey is a criminal mastermind. Well, has the mind of one. She finds her older brother, Neal Caffrey one of the best criminal masterminds known to man, in New York one day and stays with him. Together they must uncover the mystery of the music box. And Neal must decide if family is more important than the girl he loves, or the girl he loves is more important than his family.
Not as bad as it sounds, hopefully. It helps if you've watched White Collar. If you haven't well, check it out, it's a really cool show.