Synopsis

Qin goes to New York City thinking that he will be attending Tang and Xiang's wedding. It later turns out to be an international detective competition, where participants have to look for Uncle Qi's missing grandson. Angry at Tang for deceiving him, Qin is about to leave the city but then he finds out that the grandson has been murdered in a strange way. Now the competition's main goal has changed to solving the murder case instead. Qin and Tang, the "Detective Chinatown Duo", step up to the challenge of solving it.

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