In The White Streak, Jimmy Babcock is a worker at the local bank run by William Parker. When Parker fires Jimmy, all Jimmy can think is how this will hurt Muriel Aiken, his fiancée. An unexpected invitation from Parker convinces Jimmy that Parker wants him back. When he learns what Parker really has in mind, Jimmy finds himself recalling the stories he has heard about the notorious robbers the White Streak and Utah Billie, and he has to make a difficult decision. In The Masked Rider, the betrothed of Carlos Torreño, Lucia d'Arquista, is making her way to Casa Torreño in Spanish California on a lavish journey sponsored by her soon-to-be father-in-law, Francisco Torreño. But on the journey that Francisco decides that Lucia is a sparrowhawk and that she must be watched carefully, especially once she takes an interest in Taki, a Navajo who is working off a debt to Francisco.