Library

The "Ark" is a weird building built deep underground with three floors. Seven college students and couples with children came to explore. Unexpectedly, an earthquake occurred early the next morning. The exit was blocked by huge rocks and water rose from the ground. In 7 days, the entire ark would be submerged. The only way to escape from the Ark is to leave one person behind to operate the mechanism and let the boulder blocking the entrance fall. But the person left behind will be trapped underground forever and drown. At this moment, a murder occurred without warning. The murderer is naturally among these nine people. As for who he is, no one knows except the murderer. By sacrificing one person, others can be saved. Who is going to die? Are you going to die? I'm going to die? Or - let the murderer die? As death gradually approaches, the number of people in the Ark decreases one by one, and the morality on earth finally loses its restraint...