As the fourth season of MI-5 begins the stories are more relevant than ever before.
The series has always been fast-paced and hard-hitting but now the battleground of national security provides an even more dramatic backdrop to the challenges facing the team from MI-5. The group were left reeling after the shocking death of Danny at the hands of hostage-takers as the last season concluded. Now Adam, Harry, Ruth, Fiona and rising star Zafar set out to become even stronger in their battle to safeguard the nation.
