10-chapter serial tells the tale of Gladys Samuels, working as a bold reporter who is determined to untangle a complex web of crime to save her father, District Attorney Samuels. The son of a wealthy fire apparatus manufacturer joins forces with the fire department. He teams up with a fire captain, Jeff Tarrant, to track down an elusive arson ring. The team faces a series of threats orchestrated by the villains, led by Chief Carson (Leo D. Maloney) and a mysterious criminal network. 1. The Arson Trail, 2. The Pit of Darkness, 3. The Hidden Hand, 4. The Convict Strikes, 5. On Flaming Waters, 6. The Man of Mystery, 7. The Ape Man, 8. Back from Death, 9. Menace of the Past, 10. The Flame of Love.