Synopsis by Janiss Garza
The Lincoln highwayman is terrorizing motorists on a coastal highway and the latest victims are a San Francisco banker and his family on their way to a party. While the masked highwayman holds them up at gun point and steals the women's jewels, the banker's daughter Marian (Lois Lee) finds herself strangely attracted to him. When the family finally arrives at the party, they tell the guests their tale. Steele, a secret service man (Edward Piel), takes an interest in their encounter and starts working on the case. Jimmy Clunder (William Russell), who arrives late is talking to Marian when a locket falls out of his pocket. Marian recognizes it, and Clunder claims that he found it on the road. She begins to suspect that he is the highwayman, as does Steele, Clunder's rival for Marian's love.This mystery is based on a stage play by Paul Dickey.