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.

An uncooperative suspect causes difficulties for the team, and a frustrating turn in the case causes tensions to rise within the community, leading to an unexpected altercation.

Several major developments in the case point the team towards suspects in surprising places. Meanwhile, Erin offers an olive branch to Conor.

Shazia's explosive revelation threatens to destroy the Rahman family. The police investigation grinds to a halt until a vital clue offers a glimmer of hope.

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.