The routine investigations into a minor car accident develop into the search for the murderer of a married woman. Police suspect the woman's husband could have been involved. Sgt. Mackay's girlfriend Joy Bower takes a job in Brisbane after refusing his marriage proposal. Notes: Final appearance by Wendy Gilmore in the support role of Joy Bower. In Melbourne, HSV-7 screened this episode as a double-header with ep. 341 'Shoot To Kill'.