Blue Watch's morale is low following Tate's retirement. Hallam tries for promotion and Kate receives an unwelcome visitor from her past who insists on staying at her flat.
The Blue Watch team are called to standby at a fire station in Kent. Fighting a barn fire, they realise that country fire-fighting presents difficulties not encountered in London.
Stuart McKenzie, known as 'Recall' because if his photographic memory, joins the Watch, and the team are called to a series of incidents involving school children on half-term.
Marion attempts suicide when Kevin turns down her desperate attempts at reconciliation. Two youths break into a marina and their vandalism has tragic consequences.
Helen is sacked by the jealous Peter and Malcolm tries to comfort her. The Blue Watch organise a charity pram race to raise money to send Jamie to Disney World.
Blue Watch are called to a twenty-pump blast in a factory. The fire rages out of control and endangers the lives of members of the Watch trapped in the burning building.