The Imperial Army's secret Base is successfully destroyed. The senior officer Fatso tian Xingjian is having the time of his life. The base hid an "unspeakable, cruel, and inhumane secret" . People there are the "lab rats" of the research lab. There are no rights or dignity in this place. The soldiers feel angry. The two girls are addicted to captivity. The prisoners cry out in a low and mournful tone.