A young pathologist seeks answers to the mysterious death of a friend and soon comes into contact with the same cursed videotape that caused the death of the friend's wife and son, which is haunted by the curse of Sadako, a relentless spirit.
Rasen (らせん, lit. Spiral) is a sequel to the movie Ring. It is directed by Jōji Iida and is based on the novel Spiral by Kōji Suzuki.