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.

Kick In is a lost 1917 silent film crime melodrama directed by George Fitzmaurice and starring William Courtenay. It is based on the 1914 Broadway play of the same name by Willard Mack.

When millionaire John Saunders threatens to disinherit his son Wallace if he marries Queen Tina, a circus rider, Wallace elopes with Tina and becomes a trapeze performer.

On a voyage from Europe to the U.S., Desselway meets and falls in love with Diana Curran. Diana has a dark past, however -- she is married to Wrenshaw, a criminal known as "the Hawk." Diana got involved with Wrenshaw because she thought he was honest, and he keeps her under his thumb by making her believe she killed a man.