In the midst of rising labor accidents near Tokyo Bay, detectives Kusumi and Hata embark on a daunting investigation. Uncovering a web of government concealment and a sinister plot involving a deadly biological weapon known as WXIII-Wasted Thirteen, the case hits close to home for Hata. With no choice but to join forces with the military, they must confront this peril by pitting WXIII against the specialized Labors of Division 2 in a high-stakes showdown.