An American couple on their honeymoon meets an irritating little man on a train. Unfortunately, in addition to being really annoying, the stranger on the train is also an international jewel thief who has stolen a giant ruby for his criminal bosses. Figuring (correctly) that the Americans are less likely to get stopped at customs, he slips the ruby into their luggage, intending to recover it later. Unfortunately, it falls out in the trunk of the cab on the way to the hotel. Now both the crooks and the cops are in pursuit of the newlyweds, after a ruby the couple no longer has. The two principles have a nice bickering-but-loving vibe going and the whole thing appears to be shaping up as a Bollywood Romancing the Stone. Then the wife gets kidnapped by the criminals and pretty much disappears from the last 3/4 of the movie. Instead, the husband teams up with the cabbie, who, for inexplicable reasons, agrees to help him get his wife back. In the end, of course, they do -- the couple is reunited, the ruby is returned to its rightful owners, the heroes collect a large cash reward, and the audience is still scratching its head wondering why the cabbie didn't just sell the ruby to his cousin like he was planning to.