When reporter Han Su-jin (Lee Eun-ju) finds out that numerous pregnant women have inexplicably died after visiting a website called the White Room, she begins investigating the mysterious case. However, the only way to really understand what is going on is to click on the website herself. Once Han Su-jin does this, she begins experiencing strange symptoms. Fearing that her time is running out, Han enlists the help of a detective before she becomes yet another victim.