The Dove

After being unfaithful to "The Stranger", who committed a murder on her account, Cherry Millard, known as "The Siren", leaves to work in a dance hall in the Western town of Nugget. When Burt Hall arrives in town to deliver a will to the heirs of Bruce McClade, he is captivated by Cherry, who learns of Burt's mission. Discovering that the will dictates that Dr. Langdon, a friend of the family, is to receive $25,000, Cherry decides to impersonate Langdon's daughter Rose and thus gain possession of the money. In the meantime, The Stranger, who has been freed from jail, returns, recognizes Cherry as The Siren and kills her. This frees Burt from her evil spell, and The Stranger, now insane, follows The Siren's spirit into the desert.

A masked criminal who dresses like a giant bat terrorizes the guests at an old house rented by a mystery writer.

Chick Williams, a prohibition gangster, rejoins his mob soon after being released from prison. When a policeman is murdered during a robbery, he falls under suspicion. The gangster took Joan, a policeman's daughter, to the theater, sneaked out during the intermission to commit the crime, then used her to support his alibi. The detective squad employs its most sophisticated and barbaric techniques, including planting an undercover agent in the gang, to bring him to justice.

A 1918 film directed by Roland West. The Library of Congress holds a complete copy.

A general store clerk and aspiring detective investigates a mysterious disappearance that took place quite close to an empty insane asylum.

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.

A stock market broker plans to liven up his boring life by taking up piracy on the high seas.

Inventor Peter Marchmont has discovered a purple light that renders the user invisible. On his release from prison, Marchmont, disguised as Victor Cromport, uses the light to revenge himself against his former wife, Jewel, and her partner, James Dawson, who framed him for theft. Making himself invisible, Marchmont gradually ruins Dawson. He so wins Jewel's confidence and love that she is willing to kill Dawson at Marchmont's request. Finally, Marchmont leaves the scheming couple to their own misery and marries Jewel's sister, Ruth Marsh.