Caprio's girlfriend May is now in Taipei having a wild birthday party. Caprio then flies to Taipei with his mother's engagement ring in order to propose to May. However, in Taiwan, Caprio accidentally loses the ring after running into a Taiwanese man named JinGua. JinGua and his friend Ar Fai help Caprio find his ring, which leads to them ending up at a night club. As they look for the ring, the group encounters a series of odds and unexpected developments on that one night in Taipei.