In a world of predator versus prey, Lucía Calderón knows that women are always on the losing side. Violence against women destroys lives, leaving physical and psychological scars that even the fearless cannot avoid. To avenge centuries of abuse, Lucía must be intelligent and tough. When a deranged man she met years earlier comes for her once again, startling events come to light. Lucía tries desperately to unlock hidden answers but realizes that the key to this mystery is not in the present but in her past. However, uncovering a criminal she can barely recall is a dangerous game as she refuses to sit and wait. She does not fight only for herself, though; she fights for all women. As Lucía gets closer to the truth, she descends into a darkened world where madness rules and evil waits in shadow. With her life now hanging in the balance, Lucía relies on her cleverness and determination—the only weapons that can keep her alive and keep her loved ones safe.