21 Beacon Street

As the police force get wind that the "syndicate" is after a witness, they turn to investigator Chase in thoroughgoing terror. He figures out a scheme to pull the police out of a nasty pickle.

A risky burglary is executed in order to save a man's reputation. Chase helps the man to retrieve some compromising letters hidden in a vault.

The story has to do with an investigator turned boxer to get information on fight racketeers.

Chase and his team are hired by a newspaper editor in order to track down the payroll of a big crime syndicate.

Investigator Dennis Chase and his staff plan a clever hoax to swindle a man out of money that was in turn swindled from a widow.

A wife is killed and her psychopathic killer leaves evidence at the scene that incriminates her husband. The dejected prisoner asks Chase to clear him out before the execution.

A foreign dignatary, with revenge on his mind against his own brother, decides to kill his nephew and bride.

Chase is hired to find out if a missing Chinese scientist is really dead when an unidentifiable corpse turns up.

The story of gangsters who kidnap the wife of a bank cashier to make him aid them in a robbery.

Investigator Chase matches wits with a narcotics ring after an undercover agent is murdered.

A lass tells Chase that her fiance is mentally iII and is trying to kill her.

A killing has been committed and to prevent another the staff at 21 Beacon Street starts an investigation which almost leads them to outer space.

Chase and his staff go after a killer who specializes in ''accidental'' deaths related to insurance policies.