Emmerdale fans are sure they've worked out who Cain Dingle is talking to in a suspicious phone call he took at the end of tonight's episode.
The episode on Friday, December 23, was set on Christmas Eve and continued to chart Cain's time in prison. It ended with him on the prison phone to a mystery person - whose identity is yet to be revealed.
Earlier in the episode he was visited by Moira and his son Kyle. Kyle excitedly thanked him for a toy car he'd received earlier in the episode - and had assumed was from his dad.
Read more: Emmerdale fan 'works out real father' of Chloe's baby
Cain originally seemed to have no idea what Moira and Kyle were talking about. He then quickly said he hadn't wanted to say anything about the present until it arrived - but viewers are sure the presents came from the same person Cain is calling.
Cain said to the mystery caller: "Oh I got the message - do you think I'm ever going to forget that motor? Just stop sending the letters, I'm not interested in anything you've got to say.
"No, just stay away from my family. Right, if that's what it takes, you here Christmas Day and we'll sort this out face to face."
Emmerdale fans are pretty certain Cain was talking to his estranged brother, Caleb.
@Chris1968E tweeted: "#Emmerdale are these from the new long lost never ever mentioned brother that Faith never mentioned even on her death bed?" He added: "Cain knows it's from long lost Caleb no not uncle Caleb the brother Caleb."
@itzzzo_ said: "Is that we have to look forward to Cain’s brother turning up? As if we haven’t got enough of that lot already. Merry Christmas! #Emmerdale"
@DionPetrie said: "Has this brother been mentioned before or did they just make him up #Emmerdale"
Grianne Doherty replied to the official Emmerdale Twitter account, which asked who people thought Cain was talking to: "Caleb obviously, 100%"
Similarly, @MisthiosGamer wrote: "Considering how heavily you have been promoting the arrival of his ‘long lost brother’ Caleb, I’m going to go out on a limb and say that is who he is talking to!"
Emmerdale has already marketed that Cain's estranged brother Caleb will be appearing in its Christmas episodes. He will be played by Will Ash, with Riccardo Drayton playing a young Caleb in a flashback scene opposite Aiden Kane as a young Cain.
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