Old Chu and Guo are taken by Zhu Jiu with the Fire undergrounder. He uses them as bait to get the artifacts from Special Investigations. Chief Zhao devises as idea to trap Zhu Jiu but he is unaware that the hostages are in danger of losing their life. The team takes a very drastic measure for the trap and it inadvertently saves Old Chu, Guo, and the fire undergrounder from certain death.