Paula Fisher Davis has already survived insurmountable odds to achieve professional success, striking beauty, and great wealth. Now retired from her previous life as a well-respected and legendary contract killer, Paula is looking forward to living out the rest of her days with her husband on their impressive Texas ranch. Surrounded by faithful bodyguards and an elaborate security system, Paula feels completely secure. But all of her dreams for her future disintegrate on a dark and deserted roadway in Acapulco, when she is kidnapped. Tortured and beaten by those who will stop at nothing to achieve revenge, Paula escapes her abductors-only to learn that the men have brutally murdered her husband. Furious at the senselessness of his death, Paula calls on an old friend for help. Desperate to find her husband's killers, she immerses herself once again in the dangerous life of a government assassin. As she reactivates her code name Mamba, Paula is now the one seeking retribution. Unfortunately, as those who mistakenly find themselves in her way quickly discover, the wrath of Mamba is always final. In this suspenseful tale of intrigue and danger, the Mamba will not rest until her merciless mission is complete.