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?

In the underworld of Manhattan, a woman dares to stand up to one of the city's most powerful gangsters.

The dashing but arrogant Prince Michael Fedor Lubimoff has to flee Tsarist Russia after falling into disgrace and settles in Monte Carlo, where he resumes his life of debauchery while World War I ravages the fields of Europe… (Partially lost film; reels 3 and 9 of a total of 11 are missing.)

Fast-talking con-man and grifter Candy Johnson rises to be the corrupt boss of Yellow Creek, but his wife's alcoholic father tries to set things right.

When illegal casino owner Charley Kyng develops heart disease, he is advised by a doctor to spend more time with his family. However, he finds it difficult to keep his work separate from his life at home. His son, Paul, feels ashamed of Charley's career and gets into a fight at his prom because of it. Meanwhile, Charley's brother-in-law, Robbin, who works at the casino, begins fixing games due to his extreme gambling debts.

In this portrait of small-time hoods rendered in rhythm-of-life anecdotal detail, Gao is the leader of a circle of layabouts including his sidekick, Flathead, and their girlfriends, Pretzel and Ling. He is also the originator of petty crime schemes, which promise to get the gang nowhere fast.

While on trial for her life, a young woman recalls her tough upbringing and her involvement with the men who brought her to this current state of affairs.

Mary Rutledge arrives from the east, finds her fiancé dead, and goes to work at the roulette wheel of Luis Chamalis' Bella Donna, a rowdy gambling house in San Francisco in the 1850s. She falls in love with miner Jim Carmichael and takes his gold dust at the wheel. She goes after him, Chamalis goes after her with intent to harm Carmichael.

Maximillian (Max) has a serious addiction his family knows nothing about. He places bets with his friend Charlie, but Charlie has become disappointed with Max's lack of control. Max starts to beg family and friends for large sums of money, but no one's willing to help. Even his successful older brother has doubts about why he needs the money. His younger brother Kyle might be his only hope, but he's in a little bit of trouble pocketing money from his "side" gig. With bank letters threatening to take his house, he becomes more desperate for quick money. He thinks all he needs is just one more sure bet to keep him above water, but luck plays a wicked game.

An aging gangster, Fernand Naudin is hoping for a quiet retirement when he suddenly inherits a fortune from an old friend, a former gangster supremo known as the Mexican. If he is ambivalent about his new found wealth, Fernand is positively nonplussed to discover that he has also inherited his benefactor’s daughter, Patricia. Unfortunately, not only does Fernand have to put up with the thoroughly modern Patricia and her nauseating boyfriend, but he also had to contend with the Mexican’s trigger-happy former employees, who are determined to make a claim.

A gangster gets released from prison and has to cope with the recent shifts of power between the gangs, while taking care of a thrill-seeking young woman, who got in bad company while gambling.

Two ex-cons plan to kill the range rider marshal who sent them to prison and, when their plan fails, join forces with their former boss, a crooked saloon owner who has the same idea.