#1 New York Times best-selling author Margaret Stohl brings you the story of one of the world's most lethal assassins, Natasha Romanoff - aka Black Widow. She was trained from a young age in the art of death and deception at the Red Room, Moscow's infamous academy for operatives. Ava Orlova is just trying to fit in as an average teenager but, as the daughter of a missing Russian quantum physicist, her life has been anything but average. Ava was once subjected to a series of military experiments - until she was rescued by Black Widow and placed under S.H.I.E.L.D. protection. Now children all over Eastern Europe are going missing, and Natasha suspects her old teacher, Ivan Somodorov, has returned. Ava Orlova might be the only one who can stop him. Together, Natasha and Ava must unravel their pasts to defeat the madman who threatens their future.