In the vibrant 80s, a fearless telephone operator named Christie becomes the target of a dark, vengeful spirit. After witnessing a brutal murder at her workplace, her life takes an unexpected turn when an injured ancient ninja attempts to possess her body and abilities. What begins as a typical work routine transforms into a fight for her life and soul, as Christie finds herself caught between the world of the living and a terrifying sect of ninjas.
As the young woman struggles to understand how to cope with this new and frightening reality, she surprisingly develops ninja skills she never knew she possessed, leading to an internal battle between good and evil. But she is not alone: a police detective, who is also on the trail of the killer, becomes her unexpected ally. Together, they embark on a tense race against time to stop the relentless spirit that threatens to completely consume Christie.
With an explosive mix of martial arts, supernatural elements, and a touch of romance, the story jumps from thrilling chases to unforgettable action scenes. As Christie and the detective delve deeper into the mystery, it becomes evident that the only way to free Christie is to confront the darkness that resides within her. The final battle of supernatural forces unfolds, leaving everyone questioning how far they would go to protect what they love.