An Invisible Man Goes Through the City

Harry Peel is a bestselling novelist adored by women. But then, a criminal whom he once turned over to the police and whom he immortalized in his novel attempts to assassinate him. The attempt fails, however, and the gangster is back behind bars. However, Harry soon finds himself with another problem on his hands: he must help a friend with crushing debts by finding him a wealthy bride.

His Greatest Bluff is a German silent comedy film. Today, the film is best known for the early role it offered to Marlene Dietrich who was only cast after great effort by her agents.

Harry, a young student, adventurer, and daredevil, forcefully gains entry to the office of the editor-in-chief of the *Kontinental-Kurier*, the local newspaper. He is determined to write a story about the criminal underworld—specifically the so-called "Apaches"—by spending six weeks mingling with these gangs. He intends to publish his findings as a thrilling serial in the *Kontinental-Kurier* under the guise of a local reporter. Eventually, they agree, and Harry actually succeeds in gaining access.

A police deputy in Paris have a lead on an international gang into trafficking. The police dresses as a steward to tail the head of the gang to Marseille. On the ship he meets with Madeleine. A girl controlled by the traffickers.

The smart detective Brown had once convicted the criminal Ellen Sandow and brought her to prison. Now he visits her in the infirmary there. When Ellen has served her sentence and left prison, she is first taken to the luxury hotel "Esplanade" with Brown's help, where she is taken in by a wealthy relative of Brown. Ellen threatens to get into the old waters when she meets a former gangster friend in the luxury accommodation. This John Verdon intends to steal a valuable plan from a mining company and is hoping for Ellen's help. But she has learned from her past mistakes and informs Brown of Verdon's sinister plans. After further turbulent events, Brown succeeds in putting the villain down.