The Ring 4: Birthday

In this adaptation of Spiral (Rasen), the legend of Sadako's evil takes a scientific turn as Ryuji Takayama's old college friend, Mitsuo Ando, must decipher a mysterious code while investigating this strange virus that kills people after watching a video tape. Disbelief gives way to fear. Logic bends to survival. And human evolution changes drastically. What Sadako plans is not simply horror, but something much, much deeper. (Source: Dark Horse)

Sadako Yamamura was just a young girl, thrust from society because of her dangerous and fascinating psychic powers. It's hard to imagine, but this girl who would eventually climb out of your television set and kill you with pure fear was once a very pretty and confused girl. This is the story of Sadako before she was a dead body in the well; the story of a scary power emerging from a nervous girl. (Source: Dark Horse)