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The threat of violence is never far away as the Elm Heath team once again face up to a series of problems that our increasingly complex society just expects them to sort out without any fuss or acknowledgement.

Al gets a surprise visit from Sean, a boy with transitioning parents and a troubled past. And Denise's visiting brother takes a shine to Rose.

Nitin arrives early and gets a fright by Nat who's slept at the office, and Denise freezes on live TV when a case of historic abuse is mentioned.

Rumours are flying about Denise's personal life, and Nat's dislike of Mimi means she suspects her of being behind the missing files.

Rose is smitten with Dennis, but it's hard dating the boss's brother, and Lee is making a last ditch attempt to win her back. Nitin steps up to guide Nat through her pregnancy, while Martin faces insinuations about his unorthodox living arrangement with Mimi. The stray files make a surprise return, but for one member of the team it would be better if they had stayed missing. Rose gets the creeps while visiting some home-schooled children and Al decides to forsake the life of a social worker for a new start in Scotland.