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 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.

A confession to Lisa shines a possible new light on Dylan's killer. Meanwhile, Abbie has a terrifying experience with some local addicts, and Rob's escalating actions begin to impact on his family. Elsewhere, Med starts to suspect Lisa is hiding something from him and begins to make his own investigations.

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.

Despite Holly's confession that she killed her brother, the team are convinced there's more to the story than she's telling them.

After meeting the twins' parents, Lisa is shocked to discover that her connection to the family might be more than just professional.

Determined to ignore Andy's unexpected arrival the night before, Lisa throws herself into the case and discovers a significant lead from her only eyewitness. The new information opens up the investigation and the team uncover vital evidence.

Lisa pursues a new line of investigation, uncovering a far-reaching secret.

A prominent Morecambe family arouses suspicion through their aggressive business dealings, while in the MIU, a chance meeting for Jenn leads the team closer to the truth.

DC Lisa Armstrong is asked to assist a murder investigation in Morecambe. The team try to uncover why the victim was targeted, but meanwhile, Lisa and her family are unknowingly stalked by a mysterious figure who has an agenda.

Following an unexpected turn in the case, Lisa and the team accept help from a new unit.

Jenn is working late when an emergency is called in - she races to the scene to find horror unfolding for a broken family... and must now uncover the truth behind it.

An old case puts the MIU under further pressure. Jenn must track down a key suspect before it's too late but when trouble follows her home, it leaves her whole family in danger.

With the Meredith family reeling from Dylan’s death and Sean’s arrest, Lisa is charged with finding his alibi and makes a game-changing discovery. Abbie grows closer to newcomer Vincent, whilst Rob agrees to take on a risky dare.

When the main suspect goes missing, Lisa is concerned about Sean’s possible involvement. Abbie falls deeper into Vincent’s world, bringing Sam with her. Meanwhile, Sean’s vigilante justice leads him down a dangerous path.

With Nick seriously injured in hospital, Lisa furiously seeks out Sean, while Med feels increasingly side-lined. Meanwhile, Rob attempts to leave the online forum, but finds that it is not as easy as he had hoped, and Sam tries to offer Abbie a way out from Vincent.

Under pressure to solve the murder, Jenn fails to see the troubles her own family is facing. New evidence comes to light from an unexpected source that could completely change the course of the case.

The Morecambe community rallies around the grieving Metcalf family, but Jenn and the MIU team find key evidence that all was not well in their home.

The Metcalf kids struggle with their loss while CCTV evidence leads to a development in the case, and an unexpected arrival causes tensions in the victim's family to resurface.

It's the day of Saif's funeral, and as Jenn watches closely for any suspicious behaviour, divisions within the Rahman household widen.

Jenn remains determined to find out the truth about Saif's murder. With one suspect arrested, the race is on to find the missing pieces of the puzzle before the killer escapes.

DS Jenn Townsend, Morecambe's new Family Liaison Officer, is immediately thrown into the deep end when a body washes up in the bay on her first day on the job.