Series 34, Episode 4 airs Saturday 7th September at 20:40 on BBC One.

Archie is incensed by the injustice of a patient’s situation when an acid attack which was meant for a car ends up hurting the owner. Archie takes matters into her own hands to support the wronged party, but does she go too far?

When Ruby and Iain attend a call that needs HEMS assistance, Iain is pleasantly surprised that his old team mate, Dixie, is the paramedic responder. The two reminisce over old times and this blast from the past inspires Iain to look harder at his own future.

Mason and Rash butt heads when Rash disagrees with Mason’s cavalier approach to medicine. While treating a patient together, Mason challenges Rash to a bet, but can Rash afford to lose…?