A murder mystery about the smuggling of illegal Chinese aliens into America through Chinatown.

On the wager that he will propose marriage to any girl selected by his fraternity brothers, Bill finds himself making love to Mary, an old-fashioned girl who is secretly in love with him…

She'd wink till hearts went on the blink. And staid professors couldn't think. And everywhere they'd stop to stare. And say "Some Chink!" when Ming Toy winked.

Chinese merchant Wing Lung and Elizabeth Mendall, an American, marry and have a son named Jang Lung. Because Elizabeth wants Jang Lung to be raised as a Christian, Wing Lung locks her in the cellar and she becomes insane. Jang meets Marcell Matthews at an Eastern university, and she returns with him to San Francisco to be married.

Charlie is the intended murder victim here, and he avoids death only by chance. To find the murderer (since, of course, murder does occur), Charlie must outguess Scotland Yard and New York City police.

A US Army officer is sent undercover into the hills of Mexico's Baja California region to find and bring down the madman Crando and his group of crazed followers, who are setting up their own criminal empire spreading from Mexico into the United States.

Dance-hall girl Dolly Wall invests her life savings in an oil well. A gusher comes in, enriching not only Dolly but her ne'er-do-well socialite sweetheart Royce Wingate. While Wingate hobnobs with the Upper Crust, poor Dolly is left home alone, stigmatized by her "scandalous" past.