This article covers a real-world subject which should not be taken as part of the Holby universe.
"The Killing Floor" is the 567th episode of Casualty and the 26th episode of the 21st series.
Synopsis[]
Posh new nurse, Nadia, works her first shift and triggers a war with Kelsey. Selena feels Harry's absence and Nathan puts the mockers on her new love prospect. A trio of mountaineers attempt to keep a dark secret.