Great price for a fine TV series.
Next best price is Amazon for £16.88.
Go via quidco and maybe use the RAC code to save even more money.
'James Nesbitt stars as Detective Sergeant Tommy Murphy, a maverick undercover cop with a dark past in this acclaimed action packed crime drama. This complete collection marks the undercover career of Murphy, where the stakes become higher and the risks are enormous. Contains every episode from all five series of the hit TV show'