Jacob Masters is going through hell in the eighth instalment ofCasualty 12-parter Supply and Demand — airing on BBC1, Saturday 23 August July 2025 at 8.25pm (See our TV Guide). Can he prove his innocence?

Elsewhere, Nicole Piper’s attempts to help vulnerable Cassie Woods flee Holby end in tragedy, Rash Masum faces his fears as he enters a new chapter in his life, and Faith Dean doubles, down to the dismay of her hubby, Iain.

Full Casualty spoilers for Supply and Demand – Episode 8 below…

Jacob Masters stands his ground
Paramedic Jacob Masters (Charles Venn) is understandably seething as he’s put on desk duty while an investigation into whether or not he stole morphine supplies gets underway this week. And, adding insult to injury, Iain Dean (Michael Stevenson) is covering his shifts!

Their boss, Jan Jenning (Di Botcher), does her best to calm the stormy waters, but it’s no easy feat with tension brewing and emotions running high.

Jan Jenning sitting down in the paramedic’s staffroom looking glum.
Jan does her best to keep the peace as tensions rise… (Image credit: BBC STUDIOS.)

Arresting development
As Iain’s shift gets underway, shocking events at a shout out in an underground carpark (see below for more) lend weight to his developing theory that the morphine being supplied to the paramedic crews is most probably being tampered with.

Desperate to right wrongs, Iain persuades Jacob to join forces with him to prove his suspicions, and the results are horrifying…

Iain Dean looks at Jacob Masters with a wrinkled brow as they chat in the back of an ambulance.
Iain has a lot of making up to do… (Image credit: BBC STUDIOS.)
Faith no more?
Prior to this, in an exchange between Iain and his new wife Faith Dean (yes, we’re officially calling her Mrs Dean now!), the advanced clinical practitioner remains unconvinced of Jacob’s innocence.

Initially Iain’s frustrated when Faith (Kirsty Mitchell) defends her position, but later, based on her hubby’s discoveries, she’s forced to admit she got it wrong.

Feeling terrible Faith heads over to the ambulance station to apologise to Jacob at the earliest opportunity, but he’s not interested in anything she has to say.

It’s also clear that Iain is furious with Faith. In a heated exchange, words are said that cannot be unsaid and big cracks appear in their relationship.