MI-5

SYNOPSIS

Ruth is approached by an official council snooper claiming to have witnessed covert activity. She initially dismisses his claims, but on learning the man has applied to MI5 four times and been rejected owing to mental instability, she visits his flat to follow up the lead. However, she becomes embroiled in a dangerous situation linked to the death of a Mafia leader that Dimitri is investigating. Elsewhere, Lucas comes face to face with Harry in a confrontation destined to change Section D for ever.