The mysterious disappearance of a Scottish fishing trawler and a death on-board the submarine HMS Vigil bring the police into conflict with the Navy and British security services. DCI Amy Silva and DS Kirsten Longacre lead an investigation on land and at sea into a conspiracy that goes to the very heart of Britain’s national security.
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Suranne Jones
DCI Amy Silva
Rose Leslie
DS Kirsten Longacre
Romola Garai
Eliza Russell
Gary Lewis
DSU Colin Robertson
Chris Jenks
Callum Barker
Jonathan Ajayi
Wes Harper
Amir El-Masry
Daniel Ramsay
Oscar Salem
Captain Sattam Abdul Kader
Dougray Scott
Marcus Grainger
All 12 episodes plotted by IMDb rating
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6 episodes • 2021Avg: 6.3Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Aug 29, 2021 | 6.7 |
| 2 | Episode 2 | Aug 30, 2021 | 6.5 |
| 3 | Episode 3 | Sep 5, 2021 | 6.2 |
| 4 | Episode 4 | Sep 12, 2021 | 5.6 |
| 5 | Episode 5 | Sep 19, 2021 | 6.6 |
| 6 | Episode 6 | Sep 26, 2021 | 6.3 |
6 episodes • 2023Avg: 5.9
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Dec 10, 2023 | 6.1 |
| 2 | Episode 2 | Dec 11, 2023 | 5.9 |
| 3 | Episode 3 | Dec 12, 2023 | 5.9 |
| 4 | Episode 4 | Dec 17, 2023 | 5.8 |
| 5 | Episode 5 | Dec 18, 2023 | 5.8 |
| 6 | Episode 6 | Dec 19, 2023 | 6.0 |
