In this classic German thriller, Hans Beckert, a serial killer who preys on children, becomes the focus of a massive Berlin police manhunt. Beckert's heinous crimes are so repellant and disruptive to city life that he is even targeted by others in the seedy underworld network. With both cops and criminals in pursuit, the murderer soon realizes that people are on his trail, sending him into a tense, panicked attempt to escape justice.

The engineer MacAllan designs a tunnel, which will join America and Europe together on the seabed. A group of American billionaires are financing the gigantic project, but the construction of the tunnel is proving to be as tedious as it is dangerous. MacAllan's worst enemy is the speculator Woolf, who had embezzled the money for the construction and who is attempting to cover up his crime by carrying out acts of sabotage. Also filmed in 1933 in a French-language version, LE TUNNEL, and remade in 1935 in England as TRANSATLATIC TUNNEL.

In 1912, the Titanic embarks on its inevitable collision course with history. In the wake of the over-spending required to build the largest luxury ship in the world, White Star Line executive Sir Bruce Ismay schemes to reverse the direction of his company's plummeting stock value. Onboard the Titanic, brave German 1st Officer Petersen struggles to convince his self-important British superiors not to overexert the ship's engines.

Hans, a young journeyman violin maker, meets and falls in love with Christel. But he has to go to Milan for a year. Before he leaves, the two get engaged. Christel's mother, who is against the union, intercepts Hans' letters from Italy.

After a detective is assaulted by thugs and placed in an asylum run by Professor Baum, he observes the professor's preoccupation with another patient, the criminal genius Dr. Mabuse the hypnotist. When Mabuse's notes are found to be connected with a rash of recent crimes, Commissioner Lohmann must determine how Mabuse is communicating with the criminals, despite conflicting reports on the doctor's whereabouts, and capture him for good.

Officers stationed in a castle in Flandes during WWI are comforted by Gloria Delamare's recorded voice. One of them even writes her a letter that will never be sent. When the war is over Miss Delamare takes a tour in Belgium and spends a night in that castle. Most unexpectedly her former admirer appears and they dine and dance together. In the morning he has disappeared and she finds the letter. She tries to find him, only to discover he is presumably dead and involved in a family secret.

When the wealthy Mr. Pitt decides to withdraw a sum in the millions, the Schilling & Co. bank faces ruin. To save it, the authorized signatory Peter Voß stages a break-in in which two million marks are allegedly stolen.

King Frederick II (aka "Frederick the Great") of Prussia is engaged in a major battle against the Austrian army at Kunersdorf, and things aren't going well. The Austrians are inflicting major casualties, and his army is beginning to crumble. Defeat seems inevitable when a combination of events gives him hope that he may pull victory from the jaws of defeat after all.

In the small town of New Frisco in Alberta, Canada, a stranger named Norton arrives, checks into the most expensive hotel room, and begins courting a saleswoman named Doris. Without revealing anything further to the residents, he starts tinkering with a piece of land outside of town, which arouses considerable interest in him. Inspector de Lacy also becomes very concerned about Norton, even though there is no evidence of any wrongdoing.

A doctor discovers a new medical cure with dangerous side effects, and takes the drug himself to test its limitations.