Due South - Season 1 - Eps 18: An Invitation to Romance
Fraser is forced to follow a woman all over the city after she gets an envelope that wasn't meant for her which enrages the woman's extremely jealous fiancé.
About Due South

Title: Due South
First Air Date: 1994-09-22
Last Air Date: 1999-03-14
Status: Ended
Rating: 7.6/10 (from 73 votes)
Language: EN
Seasons: 5
Total Episodes: 66
Network: CTV
Genres: Drama, Crime, Comedy
Production Companies: CTV, Alliance Atlantis, BBC, CBS Productions, Paul Haggis Productions, Pro7, Alliance Films, ProSieben
Synopsis
Constable Benton Fraser, an officer of the Royal Canadian Mounted Police, is attached to the Canadian consulate but works with Chicago Police Department to solve crimes.
Cast

Paul Gross
Constable Benton Fraser

Beau Starr
Harding Welsh

Callum Keith Rennie
Stanley Kowalski

Tony Craig
Jack Huey

Camilla Scott
Margaret Thatcher

Ramona Milano
Francesca Vecchio

Gordon Pinsent
Fraser Sr.

Tom Melissis
Thomas E. Dewey