A high school teacher, Masato Saito, is told by his best friend, police officer Shinya Saito, about a strange murder case. The incident was that a woman broke through her belly and had an umbilical cord popping out of her belly, and at the same time three men were said to have blew bubbles from their mouths and died. One day, Shinya's wife, Junko, receives something called Baby Mail. The baby mail says, "I have a grudge against someone who is trying to have a child. I will raise my child." When she opens the attached file "@", the baby cried and the LCD of her cell phone cracked, which was creepy. A month later, she was found in a condition similar to the bizarre incident. However, she was diagnosed as four months pregnant when her body was found, even though she had her period a month ago.

A mysterious video has been linked to a number of deaths, and when an inquisitive journalist finds the tape and views it herself, she sets in motion a chain of events that puts her own life in danger.

Ayaka Ichijo is a graduate student with an IQ of 200 who tries to investigate the strange deaths happening nationwide after people supposedly watched a cursed video and her younger sister also did the same out of curiosity.

Taking place thirty years before the events of Ringu, Ringu 0 provides the shocking background story of how the girl on the video became a deadly, vengeful spirit.

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.

A woman in the midst of an unpleasant divorce moves to an eerie apartment building with her young daughter. The ceiling of their apartment has a dark and active leak.

Akane is a high school teacher who hears a rumor from her students that there is actual footage on the Internet of someone's suicide. The footage is said to drive anyone who sees it to also commit suicide. Akane does not believe the rumor at first, but when one of her female students dies after viewing the footage, she and her boyfriend Takanori are fatefully drawn into the horror that has been created by the man who appears in the suicide footage, Kashiwada. Kashiwada's intention is to create chaos in the world by bringing back Sadako and the power of her curse. Now Akane has to fight against Sadako and Kashiwada to save the lives of herself and Takanori.

Absolutely terrified of the sea, an American lawyer reluctantly goes on an ocean cruise to be near the wife of a client, with no idea of the grim situation that awaits them all.

One day, a mysterious letter 'F' starts to be written on doorplates in a condominium building. Since then, mysterious incidents consistently occur around Yukari Yamamoto, who is an ordinary female high school student living in the building.

A weekend cruise on a luxurious party yacht goes horribly wrong for a group of old high-school friends when they get stuck in the water many miles from shore and a happy reunion turns into a fight for survival.