There is a horror legend circulating in the market, which is related to a mysterious videotape. According to the legend, anyone who has watched this videotape will die in seven days. Keller (Naomi Watts), a rational female reporter, only regards this as a joke, but the death of her niece Katie (Amber Tamblyn) has shaken her faith. Keller's sister told Keller that Katie had watched a strange videotape with three classmates, and all three classmates died without exception. Keller decided to investigate the matter. She found the videotape that Katie had watched and watched the content of the videotape. After that, a mysterious phone call indicated that Keller's death was approaching. In order to survive, Keller must find the truth about the curse of the videotape within seven days. Time is running out. Can Keller finally escape successfully?