Blue Watch deal with the aftermath of a lorry crash, freeing a trapped child from beneath a collapsed wall. Later on the watch are called to a Young Offenders' Institute where a fire has been started by an inmate to aid escape.
The old adversary of the watch, Divisional Officer Scase, is back and determined to find fault at Blackwall. Meanwhile, a pregnant woman is involved in a car accident and it's left to Pearce to deliver the baby.
Pearce is annoyed by a mentally disturbed yet harmless young man who has started to hang around the station, the watch have to free a man trapped in a tank and Ben goes missing after stealing from a newsagent.
Sicknote rescues a stray dog from a fire at the City Farm taking it home much to Jean's chagrin, Trevor offers Bayleaf and Clare the chance to invest in his restaurant, Kevin and Sally get closer and Donald's games end in tragedy.
When the watch have to make a routine inspection of a strip club Billy is more interested in one of the strippers than fire safety and a fire leaves two youths trapped in a lift and the fire fighters having to fight off a group of thugs.
It's a frustrating day for John Hallam. The discovery of an unexploded bomb results in the station being closed while the army defuses the bomb, he gets stuck in a lift and a road safety protest means that his crew can't attend a fire.
The watch are surprised when Charisma reports for duty having transferred back to Blackwall. Meanwhile, George's decision to moonlight ends in tragedy when a fire breaks out in a propane cylinder yard.
As the firefighters continue to battle the blaze at the container yard, a badly burned Jaffa is taken to hospital. Billy ends up in hot water over the stolen uniforms.
Pearce gives evidence at Donald's inquest and Charisma shows his compassionate side when Blue Watch have to rescue an impaled man from a horrific car crash.