The Knock - Season 2 Episode 5

After a complex operation using a Swedish undercover customs officer, City and South are finally in a position to knock Short's offices. However, Katherine's enthusiasm to be in on the arrest causes her to go against Bill's orders. She arranges to meet Short beforehand to ensure that she is in the building at the time of the knock. Once Short is under arrest he makes allegations of a sexual relationship between them which seriously compromises her position.