The watch are reeling after Nick's death. Chris arranges a drink to raise their spirits but the evening ends on a sour note when Marianne makes it clear she holds him responsible. Meanwhile, Geoff is delighted by the return of a familiar face and Jack starts to crack over Linda and Steven moving away.
George finds himself in hot water when Chapman learns of his job at Terry Martin's club, Sicknote risks his life to rescue a young girl trapped in a school fire and afterwards gives the watch some devastating news.
It's D-Day as the inquiry about George's secondary employment starts and Dan has a drill as part of the Crew Commander course. Dan starts to have doubts about firefighting when he and Geoff are caught in a scaffolding collapse.
Jack is in an even worse mood than usual and finally cracks on the turntable ladder in the midst of a challenging shout. Meanwhile, D.O. Chapman has bad news for George and is surprised when George gets support from an unexpected source.
Chris misreads the situation between Lisa and Recall and calls in the police, after Sally has moved out with her a drunken Yvonne turns up at Joe's flat revealing Sally and Joe's closeness to a jealous Jacqui and a panicked horse complicates a shout at an RTA.
Sally is concerned by Yvonne's disappearance after a fire at her flat and is especially worried when the watch are called in to drag a body from the Thames. A fire on a ship where illegal immigrants have stowed away sees two of Blue Watch put in lethal danger.