Ben and his bachelorettes all are willing to gamble on love in "Sin City," as he escorts the remaining 14 women to Las Vegas. JoJo, whose chemistry with Ben is off the charts, joins the Bachelor for a tour of the glittering Las Vegas strip by helicopter. Versatile singer, comedian, ventriloquist and celebrity impersonator TERRY FATOR invites 12 of the ladies to be his opening act. What special talents will they display? Becca is thrown off guard when her date card is accompanied by a wedding dress. Her arrival at the "Little White Wedding Chapel" is met with an intriguing proposal from Ben. The twins, Haley and Emily, get a special date with the Bachelor. Olivia continues to irritate the other women, but will her annoying habits get her a rose? At the end of the episode, 11 women remain, hoping to get a proposal from Ben and everlasting love.