Mannion's attractive fencing teacher says she killed her husband in self-defense at her studio. Mannion wants to believe her, but the evidence at the crime scene is inconclusive. Meanwhile, Debreno recognizes a suspect in a drug case as his childhood friend who convinced Debreno to go into the Police Academy.

Mannion gets involved in a local murder investigation when he travels to a small town to fight a warrant for his arrest for a traffic violation. Meanwhile, Temple and Debreno look into the disappearance of an armored truck owned by the company the Temple works for part-time.