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.

Major Radley decides to stage an escape and evasion exercise but has to juggle the exercise and his family commitments whilst Fusilier Luke Robert's desire to move up has dire consequences.

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.

The arrival of the General's ADC in advance of a visit causes potential embarrassment for Kate Butler but ends up winning her glory. Glory isn't on the cards for Luke Roberts.

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.

Bernie Roberts has trouble convincing the authorities that she's not to blame for an accident. Kieron Voce faces criticism from senior officers but the lads back him up and Paddy and Christina finally get together.

The men head to Amsterdam for some R&R and take a colleague to allow his wife a break. Keiron Voce and Kate Butler face wagging tongues about their closeness but finally face up to their true feelings for each other.

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.

The men return from Bosnia and discover that they're heading to Cyprus. Dave Tucker discovers that he is the frame for a paternity suit. Tony Wilton puts his life on the line training for the SAS and ends up hearing some good news.

The men and their wives head to Cyprus. The men make a number of mistakes on exercise but are redeemed when they intervene in a critical situation. Major Kieran Voce meets a face from the past.

A beach landing exercise is suspended after two men fall overboard. Donna's sister Kelly falls for one of the locals and Major Kieran Voce has divided loyalties over his love life.

Marsha Stubbs involvement with a local businessman leads to a brush with the law and Kieron Voce must make a decision about Kate.

A prank in the Officer's Mess causes trouble for Tucker but he faces even more trouble when memories of Bosnia return to haunt Company Sergeant Major Michael Stubbs.

The arrival of soldiers from the US Army for a training exercise forces rivalries to bubble to the surface and have far reaching consequences for Sergeant Tony Wilton and his wife Joy.

Donna Tucker finally follows her dream to continue her education whilst Dave finds the words of a veteran sobering. Tony and Joy fall out but are reunited when Joy goes into labour early.

Paddy Garvey realises a few home truths when he takes his nephew out for a cruise on the river whilst Nelson has some trouble to deal with. A football match is cut short when trouble arises.

The day of Major Kieran Voce and Captain Kate Butler's wedding arrives and Lieutenant Jeremy Forsythe and the lads help to rescue the day. Donna Tucker starts to get closer to her tutor.

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.

The girls get together and Donna confesses her love for Mark. The men go on exercise and whilst Sergeant Sally Hawkins wants to join in but her fun is short lived when a fire breaks out.

As the repercussions of Tony Wilton's death are felt, everyone starts to move on.