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Cast for season 21, episode 6 "A Difficult Subject (280)"

Masters and Sim investigate when a young boy is attacked in an area known to be frequented by rent boys. Arresting their prime suspect proves to be the catalyst for a much bigger problem, when suspect Ravi Shah accuses DAC Roy Pearson of being part of a paedophile ring. However, when Sim organises a raid on the home of known pimp Julian Hargreaves, she fails to uncover any proof of his involvement. Meanwhile, Nixon is determined to nail Hugh Wallis for the abduction and rape of her daughter, but all her joy at nailing her old boyfriend is quashed by seeing what the questions are doing to Abi. Elsewhere, Harman tries to break things off with Scott Burnett after revealing prime suspect Greg Campbell has been charged with the murder of his wife Karen, but temptation proves too much for the pair.

Final appearance Dr. Hugh Wallis, final regular appearance of Abigail Nixon, Shane Zaza guest stars

Season 21 index | <<< S21E5 "Motivated By Love (279)" | S21E7 "Ignorance vs. Prejudice (281)" >>>