1	"A Song of Scottish Seals"	Philip John	Nick Walker	9 August 2023	N/A
When a phone with a brutal drowning recorded on it is handed in to MHU headquarters, the pressure is on for Annika and the team to track down the murderer. The footage leads them to a businessman who ordered a hit on the drowned person through a taxi driver. The MHU bring him into a money transfer where they attempt to detain the hit man, but the businessman attempts to flee, which fails before he can achieve proper distance. Meanwhile, she struggles to find the opportunity to share a deep secret with Michael that could change his life and their relationship forever, and Blair reveals to her and Tyrone that she is pregnant.

2	"Waverley, or 'Tis Sixty Years Since"	Philip John	Nick Walker	16 August 2023	N/A
When a newly-released prisoner is found dead in a dog cage under the Forth Rail Bridge, the team are sent to Edinburgh to find her killer. Assisted by the astute and witty DC Harper Weston, the team trace the victim's last activities through the city. As the case unfolds, Annika reflects on punishments in the Edinburgh novel Waverley and realises that the victim's conviction may be more central to her death than they initially thought. They learn that the victim had been involved in a hit-and-run, and often got off wrongly with other people in her circle. She had also borrowed money from a friend in the art world, who they learn had accidentally sent her tumbling down some stairs and put in her the cage that she was found in. Annika also shares with Michael a truth she has been hiding for years.

3	"The Strange Case of Dr. Jekyll and Mr. Hyde"	Philip John	Lucia Haynes	23 August 2023	N/A
Michael has taken two weeks off to process the news and the team investigate the death of Scottish millionaire and entrepreneur Fabian Hyde after he's found in his own shark tank, leading Annika to reflect on Jekyll and Hyde. Tyrone makes his goodbyes, preparing to start in his new job. Michael and Annika agree to tell Morgan about him being her father, but when she steals Annika's boat, they have to rescue her and her friends, causing them to postpone telling her. Annika decides to ground Morgan, who also reveals that Erin dumped her.

4	"1984"	Annie Griffin	Frances Poet	30 August 2023	N/A
Annika and Michael are flown to the Hebridean islands and assisted by DC Harper Weston to investigate the death of a man found in a block of ice. Annika uses 1984 to solve the case, deducing how fear in comparison, also played a factor in the man's murder. She leaves Morgan home alone to regain her trust but wants to go to a camp site to do her work experience. Whilst on the investigation she reunites with Jake and the two rekindle their relationship but when they return together Annika and Jake are shocked to see her father.

5	"King Lear"	Annie Griffin	Nick Walker	7 September 2023	N/A
When Morgan starts working at a remote Scottish eco-resort, Annika visits on a mini break to support her daughter to which her father tags along. However, her holiday is interrupted when a local builder employed by the resort turns up dead in a nearby stream. The investigation leads the team to how the builder treated other people, which touched a nerve with the local seaplane pilot, whose father was an RAF pilot, which he felt the builder disrespected. Annika discovers that her father has left her mother, with which she is not impressed, and he is now seeking her advice on how to handle the situation.

6	"The Truth Will Surface"	Annie Griffin	Nick Walker	14 September 2023	N/A
A brutal murder on Glasgow's canals hits close to home when the victim is identified as a former police detective, but when Blair goes into labour Annika, Harper and Michael must go into the investigation alone. Morgan is nervous about a test that will qualify her to start getting her license and discovers that Michael is her father. Jake tells Annika he loves her, and has proposed moving in with her to which she agrees. Annika's father decides to go home to save his marriage but it is later discovered by Annika that he may be involved in the detective's murder.