Ring 0 Birthday 0 , Ringu Zero Bsudei? is a 2000 Japanese psychological horror film. It is the prequel to the film Ring and the fifth installment in the Ring franchise. It was directed by Norio Tsuruta, based on a screenplay by Hiroshi Takahashi. The films screenplay is based on the short story Lemonheart from the Birthday anthology by Koji Suzuki. There is also a manga adaptation. It was nominated for Best Film at the 2001 Fantasporto.
While Sadako is vulnerable, Ikuma, albeit reluctantly, drugs and chases her to a nearby well, where he apologizes to her before throwing her down the well. Sadako briefly has a dream of meeting with Toyama again before cutting down to the present. She looks up and screams as the well stone is slid to its place, trapping her inside.
Source: Wikipedia