Vigil

When a crew member is found dead on board the Trident nuclear submarine HMS Vigil, the Scottish Police are called on to investigate. However, the UK's nuclear deterrent must remain unbroken, so the submarine stays on patrol.

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Episode 1

1h

When a crew member is found dead aboard the Trident nuclear submarine HMS Vigil, the Scottish Police are called on to investigate. However, the UK's nuclear deterrent must remain unbroken, so the submarine stays on patrol.