Forever Knight.S3E17.Avenging Angel

Forever Knight is a 1992 - 1996 Canadian television series about Nick Knight (Geraint Wyn Davies), an 800-year-old vampire working as a police detective in modern-day Toronto, Ontario. Wracked with guilt for centuries of killing others, he seeks redemption by working as a homicide detective on the night shift while struggling to find a way to become human again.
S3E17 - Avenging Angel
Nick and Tracy investigate the death of an abused woman whose daughter, the only witness to the crime, insists that her abusive father is the killer.

Guest Starring:
Diane Cary (Laura Stone)

Cast:
Denise Norman (Battered Woman)
Lindsey Connell (Julie Henderson)
Louisa Martin (Gloria Henderson)
Sharry Flett (Barbara Vetter)
James Rankin (Reporter)
Simon Sinn (Wei)
Charmaine D. Lau (Mai-Loong)
Hardee T. Lineham (Jack Henderson)
Peggy Coffee (ER Doctor)
Shari Hoddett (Female Uniform Cop)
David Crean (Derrick Schmidt)
Calvin Green (Male Uniform Cop)

Written by Alison Lea Bingeman
Directed by Alan Simmonds

Original Broadcast 10 sec. Promo:
Narrator - "A brutal murder is a baffling mystery on the next Forever Knight"