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.

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.

A missionary tries to outwit the U.S. government and smuggle Chinese orphans into the country.

Shortly before Pearl Harbor, American opportunist Jones and partner Johnny are in China to sell oil to the invading Japanese army. Cynical about the sufferings of the Chinese, Jones meets compassionate teacher Carolyn Grant while travelling cross-country to Shanghai. Sparks fly between these strong-willed characters, neither budging an inch. But when Jones witnesses a Japanese atrocity, his feelings toward his customers (and Carolyn) begin to change...

Mr. Moto is in Egypt to thwart a criminal mastermind determined to steal the priceless crown of the Queen of Sheba. When the precious treasure is transported to America, Mr. Moto must race against time to unmask the cunning thief who will stop at nothing—not even murder—to get what he wants.

Nick Cochran, an American in exile in Macao, has a chance to restore his name by helping capture an international crime lord. Undercover, can he mislead the bad guys and still woo the attractive singer/petty crook, Julie Benson?

A priceless necklace goes missing at a plush party. Police close in on the jewel thieves but is one cop getting too close to one of the crooks?

A Japanese publisher urges his American-educated son to side with the Axis.