The film begins with the President of Dayton Chemical Works, Simon Dayton, fearing for his life.
Mr. Wong in Chinatown begins when a beautiful Chinese woman pays Mr. James Lee Wong a late night visit.
On March 25, 2008, VCI Entertainment released Mr. Wong, Detective - The Complete Collection on DVD. William Nigh directed the films starring Boris Karloff, Marjorie Reynolds, and Grant Withers.
The Mystery of Mr. Wong begins as Brandon Edwards drifts alone in a small boat in the San Francisco Bay.