This psychological horror novel centers around four Vietnam War veterans who reunite to confront a series of gruesome murders that eerily resemble war crimes they witnessed. The story delves into the complexities of trauma and the bonds of military brotherhood as the men embark on a harrowing journey to track down the enigmatic figure known only as "Koko," whose identity is as mysterious as the motives behind the killings. As they traverse the globe from the urban landscapes of the United States to the bustling streets of Southeast Asia, the veterans must grapple with their own inner demons and the possibility that the killer they seek may be one of their own.

The novel is a poignant blend of fantasy and reality, following the story of a young nurse serving in the Vietnam War. She unexpectedly acquires a magical amulet with healing powers, which brings a new dimension to her already challenging role in the conflict. As she navigates the horrors of war, the nurse uses her newfound abilities to aid her fellow soldiers, grappling with the ethical dilemmas and emotional toll of her dual role as a healer and a participant in a brutal conflict. The narrative explores themes of compassion, the human cost of war, and the search for hope and humanity amidst chaos.