Pouco antes de Pearl Harbor, o oportunista americano Jones e seu parceiro Johnny estão na China para vender petróleo ao exército japonês invasor. Cínico sobre os sofrimentos dos chineses, Jones encontra a professora compassiva Carolyn Grant enquanto viaja através do país para Xangai. Faíscas voam entre esses personagens de força de vontade, nem se mexendo nem um centímetro. Mas quando Jones testemunha uma atrocidade japonesa, seus sentimentos em relação a seus clientes (e Carolyn) começam a mudar ...
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.
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.
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.