A dim-witted slumlord tries to reform a gang of urban boys (and impress an attractive young woman) by transforming their rough neighborhood into a more decent place.
Lora Hart manages to land a job in a hospital as a trainee nurse. Upon completion of her training she goes to work as a night nurse for two small children who seem to be very sick, though something much more sinister is going on.
Two young Chicago hoodlums, Tom Powers and Matt Doyle, rise up from their poverty-stricken slum life to become petty thieves, bootleggers and cold-blooded killers. But with street notoriety and newfound wealth, the duo feels the heat from the cops and rival gangsters both. Despite his ruthless criminal reputation, Tom tries to remain connected to his family, however, gang warfare and the need for revenge eventually pull him away.
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.
Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.
Daily life at men and women's prison units where baseball and the marching band are serious business. Two prisoners escape in order to help paroled Steve from being blackmailed by his girlfriend's ex-partner-in-crime.
Convicted of manslaughter for a drunken driving accident, Kent Marlowe is sent to prison, where he meets vicious incarcerated figures who are planning an escape from the brutal conditions.
Lulu is a young woman so beautiful and alluring that few can resist her siren charms. The men drawn into her web include respectable newspaper publisher Dr. Ludwig Schön, his musical producer son Alwa, circus performer Rodrigo Quast, and seedy old Schigolch. When Lulu's charms inevitably lead to tragedy, the downward spiral encompasses them all.
Jean and Marise, young lovers forced from their homes, flee to Paris. Irrevocably separated there, their lives deviate into the slums and hard labor of low-class French society. All the while, the two desperately search for one another.