Inspired by a Solitaire, Ken proposes Emma, and they decide to tie the knot. On hearing the news, friends plan a Bachelor Party in Hanoi. Ken, Uncle Jim, Arnold, and John become part of a series of events which turn their life upside down. John and Uncle Jim find themselves in one of the most unusual places, which was never part of the itinerary. Every day of the trip is a new thrill, a new adventure, and full of action.