Composite image of Caleb (left, looking depressed and right, in hospital unconscious) (Credit: ITV/Composite: EI)

Fans of Emmerdale have predicted that the stress of learning about Ruby and Cain sleeping together could cause Caleb Miligan to suffer a heart attack. Anthony revealed to Caleb that Ruby had slept with his brother amid their barn showdown this week.

As Caleb confronted Anthony over his abuse of Ruby, the old man was desperate to squirm his way out of trouble. Revealing Cain and Ruby had been having an affair, he hoped to throw her version of events into doubt.

This ultimately didn’t work, and Caleb was in two minds about to believe what he’d said. But, as Cain arrived on the scene (giving Anthony a chance to slip away), it became clear that he has his doubts. Pointing a gun at Cain’s turned back, it seems as though something about Anthony’s words rang true.

He mentioned nothing to either Cain or Ruby – but could the stress of it all give Caleb a heart attack?

Caleb points a gun at Cain on Emmerdale
Is Caleb plotting his revenge? (Credit: ITV)

Emmerdale fans predict Caleb to have a heart attack

Writing on social media as the episode aired, fans shared their thoughts on what Caleb’s next steps might be. And one fan wondered whether the pressure of the secret might give him a heart attack.

“Caleb’s biding his time I reckon. Then it’s going to eat him up and trigger his heart attack,” wrote one viewer on X.

This isn’t the first time this theory has emerged – with another worrying for Caleb’s blood pressure after the events of last week.

“What an episode Caleb defo going to have a heart attack after that,” one fan said. But how much longer can Caleb keep his doubts under wraps?

“Caleb looks like he’s dying to confront Cain about sleeping with Ruby,” wrote a third, of last night’s episode.

“Caleb knows about Cain and Ruby and may be biding his time in another act of revenge,” another predicted.

What’s Caleb’s game?

Caleb flatlining in Emmerdale flash-forward scene
2025 has some very bad things in store for Caleb (Credit: ITV)

Caleb fights for his life in flash-forward

Lending credence to theories of a heart attack, the soap aired an unsettling flash-forward earlier this month which showed Caleb fighting for his life. While the exact circumstances are unclear, Caleb’s life will be left hanging in the balance as the story continues.

And, in other disparate images, Cain wept over a mystery grave, while an unknown figure appeared to be trapped beneath the surface of an icy river. What does all this mean for Caleb?

Read more: Who’s leaving Emmerdale in 2025? A complete guide to departures, returns and new arrivals in the Dales

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