The story of three close friends who begin as poor fishermen from a small village on the outskirts of Shanghai in the 1930s. In search of opportunities the big city may have for them, they move to Shanghai, and accidentally get involved with the criminal underworld.
Lured to New York City by a wedding invitation, Qin finds himself teaming up with Tang to participate in a global detective contest offering a huge prize to whoever can locate the killer of the grandson of the godfather of Chinatown within one week.