The Fatal Hour (1940)

When a police officer is murdered Captain Street looks to Mr Wong to catch the killer Prime Suspect Frank Belden Jr whose father is a businessman well known for both his success and dishonesty Mr Wong faces increasing danger and is nearly executed himself as the investigation develops in treachery and complexity As Mr Wong follows the trail of dead bodies he uncovers a jewel smuggling ring on the San Francisco waterfront and a case much larger than the death of a police officer