On her first day in the new role as DI of the Marine Homicide Unit, Annika Strandhed and the team are called in to solve the murder of a man found in the Clyde with a harpoon piercing his head. The investigation leads them to the victim’s struggling boat business, where not everything is above board.

A brutally stabbed body found on a boat drifting in the Clyde takes the team to the Isle of Bute. With a closed community not wanting to air its dirty laundry, the team must uncover a dark secret at the heart of the murder.

The team are called to Lake Katrine when the body of a scientist is found drowned. With a debauched lifestyle that included infidelity, fraud and corporate lies, the team quickly realize there’s no shortage of people who wanted him dead.

The team are called in to solve the vicious death of an author in Glasgow. With numerous lives in tatters because of her popular books, the team needs to delve into her past to uncover the murderer.

Annika and the team are tasked with solving the death of a man ‘everybody loved’, thrown in the river from a party boat. When the cause of death is revealed, they realize this murder was more premeditated than they could have ever thought.

The murder of a young woman at the Glasgow docks starts a chain of events that puts Annika and her team’s lives in grave danger. Michael finds one of the suspects is a little too close to home.