Daily Star's Inside Hot TV newsletter sees Ed Gleave send you telly's hot takes straight to your inbox every SundayLine of Duty is set to be back on TV in just three weeks.Show bosses have announced the sixth series will kick off on BBC One on March 21.It is set to be the longest run yet with seven episodes.Fans were given a taste of what is to come as a new trailer was aired for the first time Saturday afternoon.The new plot will centre around an unsolved murder case.Show regulars Vicky McClure, Adrian Dunbar and Martin Compston are all reprising their roles as cops in an anti-corruption division.Stars Kelly Macdonald and Shalom Brune-Franklin are joining the cast.Show boss Jed Mercurio has revealed it won’t be the last series of the crime.
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