Over 40 million visitors per year come to the neon-soaked strip in Las Vegas to indulge in the glitz, glamour and gambling in the real Sin City. The Secret World of Las Vegas: 24/7 goes behind the scenes to meet the charismatic characters who keep the city alive 24/7, from the smooth-talking casino workers, the larger-than-life hosts and servers, and the ministers, musicians and Elvis impersonators who officiate the on-the-spot nuptials at the famed wedding chapels.