Pretty, twenty-year-old Mariposa has entered the U.S. from Honduras by way of Nuevo Laredo, without documentation. She now serves drinks and woos customers as a B-girl--sort of a dime-a-dance arrangement--in a shabby nightclub on the east side of Austin, Texas. Rough work, it's at least giving her a start in America. Between the norte o and cumbia songs the DJ plays, a smooth-talking Anglo out-of-towner who calls himself Bill shows up at the club...