Noisy building work, broken lifts and a power cut cause chaos in the unit.
Memories of past misdemeanours flood back as Toby fights for his life in the river.
A train crash brings chaos to the staff at Holby, while Ruth questions her abilities.
Jessica receives news about her children, and Ruth realises she's become too preoccupied with work.
Chaos strikes following a coach crash, as the team pull together to deal with the casualties.