The merger between the King's Fusiliers and the Cumbrians is complete and all men struggle to cope with the new arrangements. During an exercise, the men fall foul of a rival regiment and Dave Tucker facing losing his stripe.

The collapse of the Garvey's marriage spell trouble for Paddy and matters compound during bungled exercises, provocation by an officer and a misguided accusation result in events which could lead to the end of his career.

Marsha Stubbs manages to obtain the funds to refurbish the nursery after the fire but when it goes missing she's in the frame for its theft.

A bungled exercise is the first of the CO's troubles and when he meets the daughter of a local historian his troubles deepen. The Stubb's children befriend a group of East German refugees.

Paddy Garvey makes a good impression but has trouble getting the recognition he deserves. The Stubbs have to deal with the fallout of Sarah's earlier actions and the men find out where their next posting will be.

Emotions run high as the men prepare to leave for Bosnia.

An old flame from Major James McCudden seeks his help when an old friend falls on hard times. The Stubbs face more trouble when Marsha's son struggles at training camp.