Detektiv seržant Steve Arnott velí protiteroristické operaci, která skončí fiaskem. Rozhodne se, že nebude zakrývat nezdar operace. Je za to kolegy odsouzen a nepochopen. Přidává se k protikorupční jednotce AC-12 pod vedením Teda Hastingse, která má za úkol odhalovat korupci mezi policisty. Seriál je z produkce britské veřejnoprávní stanice BBC.
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Réžia: David Caffrey, Douglas Mackinnon, Michael Keillor, Daniel Nettheim, John Strickland, Jed Mercurio
Scénar: Jed Mercurio
Produkcia: Cait Collins
Hrajú: Martin Compston, Vicky McClure, Adrian Dunbar, Lennie James, Neil Morrissey, Craig Parkinson, Kate Ashfield, Claire Keelan, Owen Teale, Gina McKee, Paul Higgins, Elisa Lasowski, Charlotte Spencer, Claire-Louise Cordwell, Julia Krynke, Heather Craney, Mark Bonnar, Sacha Dhawan, Mary Moulds, Lucy Cray-Miller, Ian Beattie, Niall Cusack, Darran Watt, Laurence Doherty, Richard Buick, Richard Doubleday, Desmond Edwards, Roman Beguns, Simon Millar, Alison Lintott, Tony Pitts, Tomi May, Simon Coury, Christina Chong, Darren Morfitt, Adjoa Andoh, Michael Nardone, Vicky Hall, Brian Miller, Melanie Kilburn, Lisa Palfrey, Richard Huw, Leanne Best, Nigel Boyle, Philip Wright, Royce Pierreson, Elizabeth Hill, Sue Kelly, Nick Owenford, Brian McCardie, Keeley Hawes, Steve Toussaint, Liz White, Jeany Spark, Jessica Raine, Claire Hackett, Andrea Irvine, Shaun Mason, Daniel Mays, Will Mellor, Shaun Parkes, Arsher Ali, Aiysha Hart, Rebecca O'Mara, Polly Walker, Jonas Armstrong, George Costigan, Shashi Rami, David Ryan, Paul Kennedy, Lee Ingleby, Gaite Jansen, Claudia Jessie, Rhodri Lewis, Henry Priest Miller, Thandiwe Newton, Mark Stobbart, Jason Watkins, Patrick FitzSymons, Andy Kellegher, Patrick Baladi, Chris Coghill, Mary Healey, Mark Quigley, Chris Wilson, Poppy Miller, Tara Lynne O'Neill, Stephen Graham, Amy De Bhrún, Rosa Escoda, Karolina Koziol, Rochenda Sandall, Joanne Crawford, David Maybrick, Brian Ferguson, Sian Reese-Williams, Scott Reid, Laura Elphinstone, Antonio Magro, Natalie Gavin, Harriet Cains, Barry Aird, Lucie Shorthouse, Kelly Macdonald, Shalom Brune-Franklin, Chetna Pandya, Loreece Harrison, Maya Sondhi, Jimmy Savile, Tara Flynn, Carolyn Bracken, Victoria Carling, India Amarteifio, Colette Lennon Dougal, Faraz Ayub