Shooting Fish (1998)

Dylan and Jez are two orphans turned con-artists who appear on the scene selling a fake voice recognition computer with the help of Georgie. Georgie, a young med school student locked into a forthcoming marriage to an aristocrat, is intrigued by the pair although they are not as smooth at being con-men as they first appear. Eventually, when Dylan and Jez are thrown in jail, Georgie must must save their stash as well as remove herself from some of her husband's shady dealings.