Nick's hunt for the Taliban bomber hots up. Simon's lack of trust in Mac and Rocket comes back to bite him. Bird finds herself the reluctant participant in a girlie chat with Mary.

Bird hatches a plan to stop Nick and Mary going on about each other once and for all. The lieutenant colonel persuades Towerblock to pimp his ride.

The team gets a visit from a government minister, to whom Mary unexpectedly takes a shine. Nick tries to get rid of him with a questionable plan involving high explosives.

Nick and the Lt Colonel find themselves in an unexpected battle of wills. Rocket gets himself a pet rat, much to Bird's disgust.

A blast from the past knocks Nick off his game. Bird tries to teach Mary a lesson that the padre is out of touch with the troops.

Nick regrets showing off to his new number 2, Towerblock. Simon and Bird come to blows over a special book belonging to the Lt Colonel.