TV series
The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.
Streaming, rental and purchase options
Checked Sep 2, 2026
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The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.
Choose an episode, then use the watch options above for the show.
Episode 1
On her first day in the new role, Annika and the team are called in to solve the murder of a man found in the Clyde, a harpoon piercing his head. The investigation leads them to the victim's struggling boat business, where not everything is above board.
Directed by Philip JohnWritten by Nick WalkerGuest stars Kate Dickie, Saskia Ashdown, Caroline Guthrie, Gavin Jon Wright, Christy O'Donnell, Kirsty Strain, Apollo Konstantine, Anna Russell-Martin
Episode 2
When a body is found on a boat in the Clyde, the case takes the team to the Isle of Bute. Evidence points to a jilted lover, but a darker secret emerges as the team investigate.
Directed by Philip JohnWritten by Nick WalkerGuest stars Imogen Mackie Walker, Kate Dickie, Hannah Donaldson, Tam Dean Burn, Marnie Baxter, Gerry Lynch, Christopher Dane, Shauna Macdonald
Episode 3
When the body of a scientist is found in Loch Katrine, Annika is reminded of Ibsen's Enemy of the People. But with so many wanting him dead, which one did he push over the edge?
Directed by Philip JohnWritten by Nick WalkerGuest stars Saskia Ashdown, Kim Allan, Moyo Akandé, Martin Bell, Lewis Howden, Paul McCole, Sahil Arora, Dyfan Dwyfor
Episode 4
The team are called in when writer Cara Gibson is found dead under a bridge. Her books ruined careers and left a lot of lives in tatters, but which of these people would be driven to murder?
Directed by Fiona WaltonWritten by Lucia HaynesGuest stars Paul McGann, Andy Clark, Gavin Mitchell, Michael Abubakar, Shyvonne Ahmmad, Millicent Wong, Aisha Toussaint, Robert Jack
Episode 5
Annika and the team are tasked with solving the death of a man 'everybody loved', who was thrown in the river from a party boat.
Directed by Fiona WaltonWritten by Frances PoetGuest stars Paul McGann, Jade Chan, Hilary Maclean, Anita Vettesse, Mel Raido, Christian Ortega, Naomi Stirrat, Martin Quinn
Episode 6
A young woman murdered on the Glasgow docks hits the team hard when Michael's brother is named as the next of kin.
Directed by Fiona WaltonWritten by Nick WalkerGuest stars Kate Dickie, Andy Clark, Sophie Sloan, Iulia Isar, Taqi Nazeer, Susannah Laing, Thoren Ferguson, Vivien Taylor
Episode information updated Sep 17, 2026
Nicola WalkerDI Annika Strandhed
Jamie SivesDS Michael McAndrews
Katie LeungDC Blair Ferguson
Silvie FurneauxMorgan Strandhed
Ukweli RoachDS Tyrone Clarke
Imogen Mackie WalkerSigi Gunderson
Kate DickieDCI Diane Oban
Saskia AshdownSam Decosta
U&AlibiUnited Kingdom
Black Camel PicturesUnited Kingdom
MasterpieceUnited States
Sahil Arora Creative Films SACFIndia
Prime Link Media PLM
