This third Patlabor movie finds detectives Kusumi and Sinichiro investigating a string of deadly labor accidents in Tokyo Bay. Kusumi discovers that Sinichiro's new girlfriend, a genetic research assistant, could hold a secret that is vital to their investigation, and he is determined to unearth it one way or another. With loyalties clashing and government and military cover-ups abounding, they eventually get a glimpse of the treacherous secret weapon WEXIII: Wasted Thirteen. Now the two detectives must work with the army as well as the government in order to prepare for a clash between the Patlabors and the deadliest weapon ever built.
by Cammila Collar synopsis