Private investigator Jacky Cheung is adrift. He has separated from his wife (Kathy Chow) and misses his young daughter. His next assignment seems fairly simple: he must track down a troublesome teenage girl (Mavis Fan) and return her home to China. Powerful behind the scenes forces soon become apparent, however, and plunge our intrepid hero into greater trouble than he's ever known.

Three stories are told, respectively set in Tokyo, Taipei, and Shanghai. The first two stories are about a Japanese person and a Taiwanese person. The last one is set in Shanghai with a story about a Japanese man and a Chinese woman. Some of the characters can speak Japanese and some of them Mandarin. Each story encompasses an experience of a foreigner, either from Japan, Taiwan or China, with a native of the opposite country.