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.
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.
Betrayal is a 2026 crime and mystery TV series from the United Kingdom, starring Shaun Evans and Romola Garai. It first aired on February 8, 2026. The series has 1 season and 4 episodes on ITV1. Audiences rate it 7.6/10 from 5 votes — well received.
Betrayal premiered on February 8, 2026.
The main cast includes Shaun Evans and Romola Garai.
Betrayal has 1 season (4 episodes). Status: Ended.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
It holds an audience score of 7.6/10 from 5 ratings, so fans of crime and mystery titles are its best audience. Read member reviews below or add your own.
Every episode's audience rating at a glance — find the best (and worst) episodes before you binge.
| E1 | E2 | E3 | E4 | |
|---|---|---|---|---|
| S1 | 8.0 | 8.0 | – | – |
9+ Awesome8+ Great7+ Good6+ Regular<6 Bad
british spymi5
Shaun Evans
Romola Garai