DS Jenn Townsend returns to the Morecambe MIU after her father's death but when a new case challenges the team she has to put her own grief aside.

The victim's boyfriend is found and Jenn struggles when the family she's helping starts to point the finger of suspicion at each other.

New information leads to a major development in the case, but the Morecambe community are looking for reassurance, intensifying the pressure on the MIU.

A vital clue leads the MIU to take a closer look at a member of the victim's family but when red tape stops the team, frustrations reach an all-time high.

A new SIO is called in to lead the MIU while Jenn's family feel the full force of the grief she's been trying so hard to contain.

The team discovers someone has been withholding information and as they set to piece together the truth Jenn's left contemplating her future in the MIU.