Secret Nation (1992), starring Cathy Jones, Mary Walsh, Michael Wade, and Rick Mercer.

A graduate history student returns to her native Newfoundland, searching for proof of a conspiracy surrounding the referendum that saw Newfoundland join Canada.

This is pre-22 Minutes, mind you. I actually have a digitized copy of it somewhere, ripped from a VHS from a public library. It is seriously awesome, as long as you can understand Newfie accents.