When one of their own, Reuben Tishkoff, partners and builds a casino and hotel with known casino owner Willy Banks in Las Vegas, the last thing he ever wanted was to get cut out of the deal by the loathsome Banks. Banks' even goes so far as to finding amusement in Tishkoff's misfortune when the double crossing lands Reuben in the hospital because of a heart attack. However, Danny and his crew won't stand for Banks and what he's done to a friend. Uniting...

An FBI agent hunts for Las Vegas stand up comedian and illusionist Buddy 'Aces' Israel. Aces has decided to squeal on the mob but, before he heads off for protective custody, decides to go to the casinos at Lake Tahoe for one last good time, drawing a crowd of assassins. Now Aces will have to pull his greatest disappearing act before the assassins can get to him.

In the next exciting chapter of the international phenomenon STEP UP, all-stars from previous installments come together in glittering Las Vegas, battling for a victory that could define their dreams and their careers.

This time, Federal Agent Gracie Hart goes undercover in Las Vegas to rescue her best friend, the Miss United States Pageant winner. She also has to deal with a new partner with anger-management issues and a dim view of Gracie.