In 1919, Hollywood film star Mary Pickford, "the most famous woman in the world," is currently in between pictures and recovering from the Spanish Flu when a man shows up at her Malibu hideaway one night asking for help. The man, who's been shot twice in the back, then dies in her garden, and Mary makes up her mind to figure out what's going on. Assisted by her resourceful young driver, Billy Kidd, a rodeo rider and wrangler from Arizona, she soon...