In different parts of Tokyo, four young and seemingly healthy people suddenly die of heart failure at exactly the same moment. Reporter Kazuyuki Asakawa decides to investigate the deaths, and discovers that the four had stayed at a rural inn together just a week earlier. At the inn, he comes across a strange video that ends with a message saying that anyone who watches it will die exactly seven days later. Now the clock is ticking for Asakawa. Can he break the curse in time?
Hamada, an employee
The Rinkaiji family, by all appearances, is a well-to-do Japanese family. The father, Nariyuki, works in an elite corporation, which gives his wife Yoshiko status in their suburban neighborhood. But the daughter Sugina, who herself has secretly stopped going to school because she is being bullied. One day, they discover that Nariyuki has quit his job. As Nariyuki decides to find a new job along with Sugina, Yoshiko, a firm believer in a life based on the company, soon finds her world falling apart.