Peter Faithful is taken hostage by a suspect. A terrified girl jumps from a second-story window when the Majors raid the flat of a prime suspect for the aggravated burglaries.

To Peter's annoyance, the Federal Police blow the cover of one of his informants.

Jock Brennan announces that the Major Crime Squad is to be disbanded. As the bitterly disappointed detectives plan to track down the last crook, Ian uncovers the mystery that has plagued forensic from the first burglary.