It started again. Across Eastern Europe, children are going missing, and rumors of Red Squad's possible involvement are spreading across the dark side of the internet. Natasha Romanoff, not without reason, believes that her former mentor, Ivan Somodorov, is involved in the disappearances. However, it is possible that the only one who will be able to stop him will not be the Black Widow, but Ava Orlova, the girl whom Natasha once saved. To defeat the madman who threatens their future, Natasha and Ava must unravel the secrets of their past, find out the truth about each other and about a certain dark-eyed boy with an hourglass tattoo who has haunted Ava's dreams all her life.