Watch Should I Marry a Murderer? (2026) Series Online Free

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1. Part 1

In 2020, a Glasgow pathologist meets a Highland gamekeeper who seems perfect on paper. They're soon engaged — then a confession changes everything.

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E2 44 min

2. Part 2

As Caroline's actions give police a new lead in a cold case, she enters a terrifying double life with the McKellars — and hopes Sandy still trusts her.

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E3 56 min

3. Part 3

Torn between doing the right thing and protecting the man she can't walk away from, Caroline spirals as she desperately tries to avoid the witness stand.

Should I Marry a Murderer? (2026)

6.3 (26) 1 Season 2026-04-29 GB

In 2020, pathologist Caroline Muirhead's fiancé, Scottish farmer Alexander 'Sandy' McKellar, confessed to her that he and his twin brother Robert had killed cyclist Tony Parsons in a 2017 hit-and-run on the A82 near Bridge of Orchy and buried the body on the Auch Estate.

Genres: Documentary, Crime

Stars: Caroline Muirhead, Sandy McKellar, Stephen Muirhead, Margaret Muirhead, Ninon Noiret