Moscow 1934: An urban archaeologist obsessed with locating the lost library of Ivan the Terrible makes an unexpected breakthrough. The Present: Suffering from survivor's guilt, Dr Sasha Blake's world has fallen apart. Desperate to solve the mystery of the Democritus manuscript and the bronze box, which has driven her to the edge of self-destruction, her quest takes her to war torn Ukraine. When ghosts from her past come back to haunt her, will saving another, give her the strength to save herself?