Edward G Robinson is in Las Vegas researching his new movie, The Cincinnati Kid with Steve McQueen. Frank Sinatra puts him in touch with Eddie G., floor manager of the Sands Casino and friend to the Rat Pack who frequent it. But rumor has it that Howard Hughes is also in town looking to buy a casino; and what Hughes wants he usually gets. Jack Entratter, the owner of the Sands tries to fight the takeover and sends Eddie G., to go and convince Howard Hughes not to pursue it. Then, Entratter's secretary goes missing and Eddie G. is entrusted with looking for her, delving into the murky underworld of Las Vegas; a world he knows well.