Ameku Takao is a genius doctor with a knack for solving all kinds of difficult cases. When a man with blue blood is brought to Tenikai General Hospital—where Takao is the vice-director—after having his leg bitten off by a large beast, she starts investigating the intriguing case with the aid of her colleague, Takanashi.

Takao gets sued for malpractice! The hospital director uses the lawsuit to push for the disbandment of the Department of Investigative Pathology.

The mystery of the drowned man is revealed.