Episode #1.1
- Episode aired Dec 23, 2021
- TV-MA
- 1h
When a crew member is found dead aboard the Trident nuclear submarine HMS Vigil, DCI Amy Silva is flown out to investigate.When a crew member is found dead aboard the Trident nuclear submarine HMS Vigil, DCI Amy Silva is flown out to investigate.When a crew member is found dead aboard the Trident nuclear submarine HMS Vigil, DCI Amy Silva is flown out to investigate.