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Series

Vigil

2021 · 3 seasons · 18 episodes · Returning Series · BBC One

Drama, Crime

TMDB 7.2 · 276 votes

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The deeper you go, the darker it gets.

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.

Next episode S03E05 airs 2026-09-13

Episodes

  • S01E01Episode 12021-08-2958m

    When a crew member is found dead aboard the Trident nuclear submarine HMS Vigil, Detective Amy Silva is flown out to investigate.

  • S01E02Episode 22021-08-3058m

    With Vigil in danger, Amy must fight to continue her investigation. Meanwhile, Kirsten’s enquiries lead to tragedy.

  • S01E03Episode 32021-09-0558m

    Kirsten’s investigation takes her into the heart of Scottish politics, but when she unearths a navy cover-up, it leaves Amy questioning who she can trust on Vigil.

  • S01E04Episode 42021-09-1258m

    Kirsten closes in on the killer, but their capture reveals the grave threat that Vigil faces. On the submarine, Amy makes a terrifying discovery.

  • S01E05Episode 52021-09-1958m

    Vigil is forced into lockdown as disaster strikes. With communication lost, Kirsten desperately hunts for clues to the source of the threat to Vigil.

  • S01E06Episode 62021-09-2658m

    Amy is trapped and running out of time, but will assistance arrive too late? On land, Kirsten chases down the traitor’s accomplice. When the traitor on Vigil puts their plans into action, the crew are forced to fight for their lives.

Cast