The staff must treat the victims of a school shooting, but the incident proves far more distressing for David when he comes to realise that Ollie may have been one of the gunmen. A patient is brought in whom Paul recognises, which drives him to leave the theatre. As he reflects on his past mistakes, it pushes him to be honest with Robyn.

Stevie struggles to control her emotions on Emma's birthday, while Sah has an unwelcome visitor.