Major Tom Cadnam is taking part in an exercise against an old rival who he later discovers has been having an affair with his wife whilst he's been in Northern Ireland.

The men are charged with cleaning up rubbish due to a national strike. CSM Chick Henwood finds his loyalties tested as his brother is one of the strikers.

A boxing competition causes divided loyalties amongst the men and their families and betting leaves some out of pocket.

Sergeant Freddy Lewis is facing up to a life alone as his wife prepares to leave him for CSM Chick Henwood. The men are partnered with the Territorial Army in an exercise but who has the last laugh?

In a fit of jealous rage, Fusilier Dave Tucker attacks and NCO and is court-martialled. Will he be discharged from the army, the only family he knows?

The Anderson family prepare for the transition from soldier to officer life as Ian awaits promotion, but will a colleague's criminal dealings and desire to hide the truth threatens his chances for the future?