The fifth series will see the latest case for Morecambe MIU focusing on the emotionally complex life of a divided family. With the father and mother of the victim, bitterly divorced, Jenn Townsend and the team will have to tread very carefully to keep the whole family onside.

When young mum of four, Beth Metcalf, dies in what seems to be a targeted attack, Morecambe's MIU team are called to the scene. Jenn immediately realises this shattered family will need every support available to them.  Bereft husband Dean finds himself at sea. Numb from shock and completely unprepared for being the sole carer to his four children he struggles at every turn - unable to process what's happened.
 
As Jenn, Manning, and the team dig deeper into the case, they discover secrets and lies lurk beneath every surface.

The fourth series will see DS Jenn Townsend return as Morecambe CID's Family Liaison Officer.

DS Jenn Townsend, Morecambe's new FLO, is thrown in the deep end when a body is found in the Bay on her first day in the job. She must get under the skin of a grieving and complicated family if she has any chance of solving the murder, whilst at the same time proving herself to new colleagues in the MIU. The pressure is multiplied when her new blended family struggle to settle in Morecambe, proving to Jenn that a fresh start might not be quite as simple as moving to a different town.

After dealing with the repercussions of her actions from last year, DC Lisa Armstrong is given the opportunity to step up when asked to assist a murder investigation in Morecambe.

When Family Liaison Officer Lisa Armstrong is assigned to a missing persons investigations, it initially seems like any other - tragic, but all too familiar. This time, it is especially challenging for her not to get emotionally involved.