The dizzying thriller that inspired the hit TV show "Killing Eve"

In a hotel room in Venice, where she has just completed a routine murder, Villanelle receives a late-night phone call. Eve Polastri has discovered that a high-ranking MI5 officer is being paid by the Twelve, a powerful, ruthless secret organization. As Eve desperately tries to piece together the puzzle, Villanelle hunts her down to kill her.

The conflict between the two women intensifies, as does their mutual obsession, and when the action moves from Austria to the heart of Russia, Eve finally begins to unravel the mystery of her opponent's true identity.

But fate has other plans. An unexpected discovery will unite the two women, who will become part of an invisible world, the world of shadows, in order to survive...