Despondent Brian mopes about, blaming himself for Brinckley's death until Rodgers persuades him to defuse an extremely complex UXB.

Susan agrees to marry Brian; Brian is seriously injured in a mine explosion, and doctors fear damage to his mind may exceed bodily harm.

Brian must defuse a bomb designed to kill anyone tampering with it; Brian's hopes for a future with Susan rise when Stephen drowns himself.

Brian and the men of 347 Section are sent to dispose of a plague of small, lethal butterfly bombs concealed about the countryside.

Brian learns to defuse German land mines; Susan accepts Brian's marriage proposal, but at a request from Stephen's boss, changes her mind.

A new commanding officer's fanatic adherence to rules and discipline causes mutinous feelings amongst the overworked men of 347 Section.

When he is refused leave to see to his family's safety, Lance-Corporal Salt goes AWOL, but tragedy strikes before he can save them.

Susan connives to meet Brian on his weekend off, but her husband's unexpected return and her father's suspicions cut their visit short.

Brian must defuse an especially dangerous bomb designed to thwart disposal attempts; Susan asks Brian to meet her in London for a date.

Tragedy results when Brian and the men of 347 Section are ordered to risk their lives to test a new, unproven device on a live bomb.

After attending a bomb disposal course, Brian and Ken Machin are sent to defuse a German bomb, but their scant knowledge proves inadequate.

Brian's recklessness with a bomb lodged within a burning building nearly costs him and a fellow officer their lives.

Young recruit Brian Ash is shocked to learn that the 97th Tunnelling Company of the Royal Engineers is actually a bomb disposal squad.