A comedic idol music film about an unknown idol group named Bella, which has become a disorderly mess due to their agency’s poor treatment. Bella overcomes their conflict with an evil manager who tries to sell them off, and they eventually succeed in entering the Billboard charts.

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?