After hearing that his girlfriend May wants to go all out in Taipei for her birthday, Caprio heads to the city with ring in tow, hoping to propose during the trip. Unfortunately for Caprio, soon after his arrival, the ring is knocked into a sewer grate by Jin Gua. Wanting to help, Jin Gua enlists his magician friend A-Fai. Together, the men embark on a journey in search of the ring - a journey that will open their eyes to some of the wildest parties Taipei has to offer.