It's the final episode ever! Minogue and O'Leary go back in time to the 90s but on returning, discover they've created an apocalyptic new timeline where Sarge was never a cop.
On a typical night patrol, Minogue and O'Leary get to the bottom of a series of mysterious curses while Officer Parker gets a new partner.
When workmen disturb a Pakeha burial ground underneath the police station, an annoying old Caucasian ghost possesses Sarge who then menaces his own officers.
After giving a talk at a high school, Minogue and O'Leary confiscate a haunted leather jacket that makes whoever wears it cool; something neither Minogue nor O'Leary are used to.