A classic detective story of private eye Philip Odell written by Lester Powell.
Concerned that someone is trying to sabotage the production of his new influenza vaccine, millionaire industrialist Herbert Truscott hires Odell and McMara to go undercover. They soon discover that all is not well at the plant, and when a staff member dies after inhaling a fatal dose of live virus, their search for a saboteur turns into a hunt for a killer.