The plot is motivated by a pearl necklace, which has caused the death and/or ruination of all its owners. The second screen appearance of detective Charlie Chan

In this murder mystery, sexy blonde film star Irma Gladden is found dead in her car after shooting the last scene in her film, "Falling Star" at Eminent Studios. The suspects are numerous due to her free and easy lifestyle and messy romantic affairs. Among them are Grace Sibley the jealous wife of her director, Warren Sibley, her drunken actor husband, Andre Leighton, her screenwriter boyfriend, Rex Forsythe, and her first husband, Robert Worth. Also on hand to help solve the mystery are visiting reporter Bob Adair, Irma's secretary, Valerie Christine, and policemen Captain Sommers and Sergeant Delaney.

A young couple marries in secret. Judy's afraid her parents won't approve of Dick and she'll lose her generous allowance. Her parents bring her home from the city where she's been studying art and encourage the attentions of Tom, a persistent suitor. Judy and her jealous husband have an argument that leads her back to the city, a drunken, amorous Tom and a tragedy.

A bored society woman invites scandal and heartache when she falls in love with her low-born chauffeur.

A man meets the daughter of his lover and they begin to fall in love.

A man accused of murdering a sheriff, escapes a posse and joins a gang at the Bar-O-Ranch. The mistress of the ranch is about to be cheated out of her land, but the wanted man helps her against the gang and bests the leader in a fight.

Buck Peters arranges for Hoppy, California, Johnny and other cowboys to go to the aid of friends whose cattle are being rustled. Hoppy and California locate the rustlers' hideout and join the gang by posing as outlaws themselves, but must find a way to let the rest of the posse know where they are.

A mystery novelist's detective skills are put to the test when he attends a party where a murder is committed.

After years of fighting off the advances of her old flame Steve, Lisbeth settles into a steamy, casual romance with journalist Alan. Against the advice of her happily married aunt Celia -- who encourages her to demand a serious commitment -- Lisbeth continues to see Alan, even after she hears he may have a wife in France. When Alan's work sends him abroad, a lovesick Lisbeth struggles to understand her feelings.

A female editor of a magazine falls in love with her male secretary.

After a demonstration of new PT boats, navy brass are still unconvinced of their viability in combat, leaving Lt. "Rusty" Ryan frustrated. After the attack on Pearl Harbor, however, Ryan and his buddy Lt. Brickley are told they can finally take their squadron into battle. The PT boats quickly prove their worth, successfully shooting down Japanese planes, relaying messages between islands, and picking off a multitude of enemy ships.

In love with political candidate Anthony Cowles, heroine Nancy Blair gets wind of the opposition's scheme to ruin Cowles' reputation. At the risk of her own good name, Nancy decides to turn the tables on the crooked politicos by framing Cowles' opponent in a compromising situation. Things don't go quite as planned.

When misfortune hits hard on the Jordan family of Chicago's upper class, Bonnie Jordan, a dazzling and witty girl, finds a job as an aspiring reporter; however, his naive younger brother Rodney takes a twisted path and gets involved with the wrong people.