London's Burning

The Blue Watch is back just in time to combat a major fire in a young offenders' institute.

Recall organizes a charity event for Great Ormond Street hospital and Blue Watch is called to an inferno in the basement of a library.

When an expectant mother is involved in a major traffic accident on her way to the hospital, Pearce must assume the role of midwife.

Ariadne pleads with Nick to marry her and Billy tries to set Kevin up with Tina. Meanwhile, it looks as if Patti and Hallam might be hitting it off.

Recall enlists the help of Blue Watch in his search for Ben. Ariadne marries Petros as Nick looks remorsefully on. Later, the watch responds to an incident at the Laser Wars Centre.

After dousing a fire at the city farm, Sicknote befriends a stray dog. Things get steamy between Kevin and Sally.

Kevin gets the cold shoulder after rescuing Sally from a top-floor blaze. The members of Blue Watch are surprised when they are sent on a routine inspection - at a strip club.

The Blue Watch crew joins forces with Hallam, who is training with a fireboat, after a massive explosion on the Woolwich Ferry. Things come to a head between Kevin and Sally.

Kevin faces the consequences of his affair with Sally. Meanwhile, Nick must rescue a boy who has fallen down a deep well.

An unexploded bomb is found next door to Blackwall, but that's just the start of a day of frustrations for Blue Watch.

Blue Watch is amazed at the reappearance of Charisma, who leaps back into action as the crew faces one of its biggest jobs yet. When fire breaks out in a propane cylinder yard, the subsequent explosion leads to tragedy.

Jaffa suffers serious injuries while battling burning cars and houses. After this stressful call, Nick embarks on a desperate search for Ariadne.

Pearce relives a fatal fire when called to an inquest, and Charisma shows his compassion when Blue Watch deals with a horrific car crash. Nick gets a mysterious message from Ariadne.

Nick goes to Cyprus in hopes of finding Ariadne, but things do not go exactly as planned. Sally visits her sick father and Charisma joins Kevin's poker game.

George is called away from a charity raft race when Kelly has their baby, and Ariadne has some news on a similar topic. Blue Watch is back in action, this time for a blaze in a terraced house.