It was said that the Needle of GuiMen, an ancient medical heritage, was miraculous. It could bring the dying back to life and manipulate people as puppets, too. Everyone was eager for it. However, it had early disappeared, and no one was able to find its trace. But when the hearsay had almost faded away from people's memory, a treacherous serial murder case surprisingly involved the Needle of GuiMen and the mysterious sect behind it. Things went much fuzzier. The mantis stalked the cicada, unaware of the oriole behind. So, who on earth was the true killer?