Flora Logan, leader of the Crimson Phoenix Syndicate, discovers she's the Logans' long-lost heir. Masquerading as a meek slum girl, she exposes granduncle Sawyer's plot with the Black Dragon Syndicate, aided by stepsister Rena and Ward Palmer—the playboy behind Night Owl. Securing her family's support, she crushes the conspiracy, embracing her dual identity as heiress and assassin queen.