Martha Andersson and her friends--the League of Pensioners--have left behind their dreary care home in Stockholm and are enjoying the bright lights of Las Vegas. This is their opportunity for a new lease of life and they plan to make the most of it. But before long, they're up to their old tricks, and with ingenious tactics, a pair of false teeth, and a wheelchair each, they plot to outwit the security system at one of the casinos.