LAPD Mounted Officer Susan Chappelle's beat is Griffith Park, over 4,000 acres of land in the heart of the city of Los Angeles. When two women go missing, Susan and her horse Tecate begin their search of the trails and remote canyons of the Park. When a third woman is found strangled, their search becomes a hunt for a serial killer. Shut out of the case by the lead detective, Susan and her homeless friend Charley who calls the Park home, undertake...