In the aftermath of the explosion on AAU, Arthur struggles to keep on top of his anxiety. He panics when Morven discovers he is self-medicating.
Zosia's left reeling after the day's explosive events and her steamy kiss with Ollie. When Seb confesses his love for her, she's thrown into yet more turmoil.
Sacha begins to question everything he knows about Essie when her old nursing friend turns up on Keller and reveals their wild past.