Mr. Choi Yang-Joong, a Korean helmer, is suddenly murdered while completing the scenario for his new work 'The Time and Murder Creation'. Korean lawyer Lee and mystery fiction author Mrs. Jeong gather eight suspects to court and initiate an investigation. And they soon realize that they cannot get out of this space. The given time is only 3 hours! If you don't find the real criminal, everyone will die! What are they trying to protect?