Mobile Police Patlabor: WXIII

WXIII Kidou Keisatsu Patlabor

When the level of Labor accidents begin to escalate around Tokyo Bay, police detectives Kusumi and Hata are assigned to investigate. What they discover leads to a series of government cover-ups, conspiracy concerning a new biological weapon entitled WXIII-Wasted Thirteen and a tragic, personal connection to Hata. The only hope to stop this threat is to cooperate with the military and lead WXIII into a showdown with the Labors of Special Vehicle Division 2.

(Source: Anime News Network)

This Movie is a Side Story that takes place in between Patlabor Movie 1 and 2