One

"One" was the finale episode of the 31st series of Casualty and 1049th episode overall. It was directed by Jon Sen and written by Paul Unwin it was aired on the 27th July 2017. It was filmed in one single camera take something which was never done before.

Storyline
Duffy has her hands full dealing with a pair of school girls on work experience who mange to cause trouble. Jez is left haunted after rescuing a woman from a house fire but not realising that a baby was trapped in there and Ethan struggles to cope after the events from last week.