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. (thetvdb.com)