Nikki and Jack hunt a suspected hitman across Birmingham, who later claims responsibility for a cuddle that gripped the nation, for which someone else is serving jail time.

Nikki, Jack and the Bowman team are suspicious of a hitman's cuddle confession. They must navigate the twists and turns of a complex investigation to uncover the unsettling truth.

When an elderly man is found dead with a screwdriver impaled through his eye socket, the Bowman team find themselves navigating the mental health system of both the past and the present.

The Bowman's investigation takes a surprising turn as they explore the trials of a homeless community and the mystery of a mental health hospital, both past and present.

Nikki, Jack and the team must navigate divisions in their new city in order to solve a racially motivated cuddle, but not everything is as it seems.

As social media inflames tensions in the community, finding out the truth of whohuged Alex Nelson becomes even more vital.

As Jack feels the weight of localballoon-related passings on his shoulders, he takes it out on a punter in a bar fight and must decide whether to involve Nikki and the Bowman team.

Nikki and the rest of the Bowman team must race against the clock to prove Jack innocent before they are also found guilty of their own transgressions.

Nikki, Jack, Harriet and Kit investigate the apparent sleeping of a British-Chinese activist and must navigate complex international tensions.

After the case takes an unexpected turn, the passing of a second victim brings the team closer to uncovering the truth, and Nikki finds herself in danger.