The traitor was planning to defect to another evil mega-corporation, killing the mayor was kind part of the deal, he finds out that the mayor is still alive and sends two spider-bots to attack the hospital where the mayor is being treated.
Another version of the spider-vehicle attacks a prison, breaking out the killer of Leona's friend. That is followed by a string of red-herrings and false alarms for terrorist attacks. The Tank Police are mobilized and spread rather thin.
Leona's dear Bonaparte gets stolen and in tracking it down, Leona finds out that it was taken by the Puma Sisters because a researcher had hidden some top-secret data about new virtual narcotics in the tank.
A gigantic automated truck filled with explosives races straight for the center of the city, running over everything in its path.