Ex-cop Nick Cassidy escapes from prison to plan the ultimate heist: steal a $40 million diamond from cutthroat businessman David Englander, and in the process prove his innocence. From the ledge of the famous Roosevelt Hotel, with the whole world watching, Cassidy plays a clever game of cat & mouse with the NYPD while his dutiful brother Joey works against the clock to extract the diamond and clear his brother's name.