A cheating husband is charged in the poisoning death of his invalid wife, in spite of other women and suicide also being suspected.

During the Nazi occupation of Poland, an acting troupe becomes embroiled in a Polish soldier's efforts to track down a German spy.

A botanical expedition to the Himalayas captures a Yeti and brings it back alive to Los Angeles, where it escapes and runs amok, seeking food.

Asked by Francis I to tutor his son, Diane de Poitiers becomes the future King Henry II's mistress in 1500s France.

The Invisible Man's grandson uses his secret formula to spy on Nazi Germany.

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.

The Lone Wolf tracks down Nazi spies in London during the German bombing.

The film tells the story of Chinese guerrillas fighting for the Allied cause in Burma during Early in World War II, Chungking schoolteacher Lin Yang is recruited to help with the dangerous mission of protecting the Allied supply line from Burma into China. In spite of the danger involved, her determination to help is strengthened when one of her young students is killed in a Japanese air raid. Some time later, she is part of a group of Allied representatives departing from Lashio, on a bus traveling the Burma Road back to China. A bridge outage forces them to spend the night in a monastery along the way, and during the night they watch in horror as a supply convoy of trucks is bombed by Japanese planes. The timing and accuracy of the raid brings them to realize that either one of their group, or perhaps the priest in the monastery, is really an enemy agent

Donald is writing in his diary and narrating (in a rather sophisticated voice) about his romance with Daisy. She was able to snare him into a relationship in which they got to know each other better and Donald got to meet Daisy's family. Finally, Donald decides to marry Daisy but when waiting for her to arrive so he can pop the question, he falls asleep and has a nightmarish vision of what married life would be like (among other things that he'll be forced to do all the housework and be served a burnt T bone for dinner). Needless to say, the marriage is called off when he awakens.

Daisy tells Donald he has to improve his English and manners before she'll see him again. Fortunately, an exact double with an English accent, clear speech, and impeccable manners happens by. Donald talks him into posing as Donald, but grows increasingly jealous as Daisy hugs and kisses the stranger.