Jill Danko is seriously wounded by a seemingly demented gunman while dining with her husband Mike. Later, they find out that the gunman is unable to be prosecuted in court, because he is suffering from a brain tumor which appears to be the cause of his action. The rookies take it upon themselves to prove the man is dangerous and can place society in jeopardy.

After a syndicate boss is arrested, the rest of the gang plot to take over and continue their work. They are intent on killing Lt. Ryker. The rookies must put the rest of this gang behind bars.