From Darkness

In the remote Western Isles, Claire Church, a former police officer with a troubled past, is trying to escape her violent history. However, when a serial killer from her past resurfaces, Claire is pulled back into an investigation she thought she had left behind. With the help of her former lover and colleague, DCI John Hind, and his new DS Anthony Boyce, Claire must uncover the truth behind the murders and confront the darkness that has been haunting her for years. As the investigation unfolds, Claire must confront her own demons and face the reality of her past in order to bring the killer to justice.

You can stream From Darkness on: BritBox

Some TV shows that have similar genres and were produced around the same time as From Darkness include Adolescence, MobLand, Dope Thief, Evil, Paradise, Daredevil: Born Again.