Series 1 (2021)

Episode 1
7.5

August 29, 2021 • 58m

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

Episode 2
7.5

August 30, 2021 • 58m

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

Episode 3
7.3

September 5, 2021 • 58m

Kirsten’s investigation takes her into the heart of Scottish politics, but when she unearths a navy cover-up, it leaves Amy questi...Read more

Episode 4
6.6

September 12, 2021 • 58m

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

Episode 5
7.5

September 19, 2021 • 58m

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

Episode 6
7.0

September 26, 2021 • 58m

Amy is trapped and running out of time, but will assistance arrive too late? On land, Kirsten chases down the traitor’s accomplice...Read more