While Charlie is distracted with the birth of his first grandchild, son Jimmy impersonates his father in order to investigate a murder aboard a freighter in the harbor.
Mary Whitman has gone to Reno to obtain a divorce. While there she is arrested on suspicion of murdering a fellow guest at her hotel (which specializes in divorcers). There are many others at the hotel who wanted the victim out of the way. Charlie comes from his home in Honolulu to solve the murder.
Charlie Chan's investigation of a blackmail-induced suicide as a case of murder leads him into a world of magick and mysticism peopled with a stage magician, a phoney spiritualist, and a for-real mind reader.
Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..
Charlie impersonates an employee of the U.S. government to foil an espionage plot which would destroy part of the Panama Canal, trapping a Navy fleet on its way to the Pacific after maneuvers in the Atlantic.
On a cruise ship from Honolulu to San Francisco, the famous Chinese detective encounters four more murders while trying to figure out the murder of a Scotland Yard friend.
A wax museum run by a demented doctor contains statues of such crime figures as Jack the Ripper and Bluebeard. In addition to making wax statues the doctor performs plastic surgery. It is here that an arch fiend takes refuge.
When Charlie's old friend from Scotland Yard is murdered when they attend a police convention in New York, Chan picks up the case he was working on.
When the elderly woman sponsoring a treasure hunt is murdered on board her docked ship, Charlie Chan must deal with a treasure map in four pieces, the ghost of a hanged pirate, a talking parrot, a recalcitrant sea captain and several suspicious passengers - and a second murder.
In Rio de Janiero to arrest a nightclub singer on suspicion of a murder in Hawaii, Charlie Chan becomes involved with the Rio police in solving the singer's own murder.
Charlie Chan, with son Jimmy on a week's pass from the Army, takes up a request for help at a castle-home, miles from anywhere in the American desert south-west and inhabited by an eccentric, reclusive historian and his wife, a descendant of Lucrezia Borgia. Once there, he finds the request's legitimacy denied by all who are present, but still necessary as one houseguest has already been murdered, the other guests are at each other's throat, and the Borgia-related chatelain is suspected...
Charlie Chan is an agent of the US government working in Washington DC and he is assigned to investigate the murder of the inventor of a highly advanced torpedo. Aiding Chan is his overeager but dull-witted son Tommy and his daughter Iris.
To solve the murder of a man shot in a locked room, Chan must wade through a Fun House, the writings of an unscrupulous author, and chess pieces.
The latest assignment for respected detective Charlie Chan has come directly from the government and involves the disappearance of a scientist named Harper, who was working on an extremely important serum. When the scientist is killed, Chan must sort through all very likely suspects, including the man's sister and his butler.
Chinese sleuth Charlie Chan discovers a scheme for the theft of government radar plans while investigating several murders.
Chan is faced with suspects in a stolen atomic bomb formula case, that are being killed with bullets that are not fired from a gun.
Someone is attempting to steal radium stored in a bank. Death by cobra venom connects a number of murders. Charlie Chan investigates.
After three men are convicted of bank robberies, Charlie becomes suspicious. After some investigation Charlie finds the men are innocent and that the fingerprint evidence used to convict them had been forged. Charlie then proceeds to find the true bank robbers.
In San Francisco's Chinatown, Charlie helps two different people search for their missing relatives and uncovers a murder for insurance scheme.
A treasury agent on the trail of counterfeit money confides to fellow ocean liner passenger, Charlie Chan, that there have been two attempts on his life.
When a troupe of showgirls with their impresario and press agent vacation at a Malibu Beach resort, two of them are garroted. Charlie takes on the case assisted by Number Two Son Jimmy and faithful chauffeur Birmingham Brown.
