In the ultimate series finale, UCOS are threatened withclosure following their perceived mishandling of the Henwaycase. Their final case begins with the bloody murder of apolitical activist 15 years ago at the Madhouse - a hub forpeople with mental health issues. Just as the team are gettingsomewhere, the order comes from above for Ted, Danny andSteve to cease the investigation. But in true UCOS spirit, theboys throw away the rulebook and uncover something much biggerthan just a straightforward murder, involving some topofficials, a multinational drugs company and signs of amassive cover-up.Danny and Fiona's relationship hangs in thebalance as she must give an answer to the job offer inAberdeen, and Sasha is pulled into a game of political cat andmouse as she realises UCOS are merely puppets in Cynthia'sgame.
