Trixie Belden and the Mystery of the Missing Heiress

Jim Frayne discovers he has a cousin, Juliana, who is an heiress to a small fortune. Soon Juliana appears in Sleepyside to claim it. Her arrival is over-shadowed by a woman, called Janie, who hurt in an accident and suffering from amnesia. Trixie tries to help Janie discover who she is and find her family, but the girl detective's attempts are thwarted by Janie's unknown enemies.