A police detective transfers into an anti-corruption unit after being ostracised for refusing to take part in a cover-up.
Actors:
Martin Compston as DS Steve Arnott,
Vicky McClure as DC Kate Fleming,
Adrian Dunbar as Superintendent Ted Hastings,
Craig Parkinson as DS Matthew "Dot" Cottan,
Neil Morrissey as DC Nigel Morton [ 1, recurring thereafter ],
Lennie James as DCI Tony Gates [ 1 ],
Keeley Hawes as DI Lindsay Denton [ 2-3 ],
Polly Walker as Gill Bigelow [ 3 ],
Genre: Drama
