Betrayal

2026

John Hughes joined MI5 during the war on terror and was at the forefront of averting the biggest terrorist plots on UK soil. Now in his mid 40s and married with two children he’s struggling to adapt to the new MI5, where threats to national security have changed and he’s forced to adapt to the values of a progressive work environment.

Production

Trailers & Videos

Coming Soon

Seasons

4 Episodes • Premiered 2026

1. Piles

The first episode of a thrilling espionage series. When a meeting with an informant turns fatal, MI5 agent John Hughes believes that there is a deadly conspiracy behind it.

2. Ordinary Milk

Thrilling espionage series. John is convinced that he has exposed an assassination plot - and about to discover that his wife is getting attention from a colleague.

3. Episode 3

4. Episode 4

Cast

Shaun Evans

John Hughes

Romola Garai

Claire Wardly

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