Emmerdale spoilers follow.
Emmerdale's Billy Fletcher finally finds out the reason for his marriage break-up next week – when he discovers his wife has been sleeping with Joe Tate.
Not only is it a terrible betrayal from the woman he loved and the man he thought was his friend, but Billy then goes on to discover that Joe's made nasty threats against young Clemmie Reed after she spotted him and Dawn kissing.
Raging from Dawn and Joe's treachery and desperate to protect Clemmie, could Billy be pushed to take his wicked revenge?
"Billy is one of nine suspects in the frame as Joe is finally targeted by one of his many enemies next week," our Emmerdale source confirms.
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"It's fair to say that Billy has double the reason for wanting Joe out of the way. The affair with Dawn is bad enough, but threatening an innocent child is unforgivable in Billy's eyes."
Before Clemmie bears witness to her adoptive mum smooching another man, Billy's hopeful there's still a chance to repair his marriage.
He's recently moved back into Home Farm to help with Evan's care, but when Dawn suggests it's time he moves back out again, Billy's dreams are shattered.
Later, Billy is put in the picture in the worst possible way…
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Believing they're alone at Home Farm, Dawn and Joe share a sneaky snog, completely unaware that Clemmie has spotted them.
When Clemmie later refuses to go to school, Dawn has no idea what's up with the girl. But when Joe checks in on her, Clemmie lets slip that she spotted him and Dawn kissing. And Joe's attempts to placate her only lead to Clemmie angrily lashing out and biting his arm.
Joe then tries to win Clemmie round in the only way he knows how – by bribing her with a present. But when that doesn't work, he resorts to more brutal methods…
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"Joe warns Clemmie that she'll be placed into care if anyone finds out that she bit him," our insider adds.
"At first it seems like Clemmie might be scared into silence, but she bravely tells Billy the truth about Joe's threats and his kiss with Dawn."
As the penny drops about his wife's affair, Billy's mood darkens. He's quick to unload to boss Caleb Miligan, who only adds fuel to the fire when he encourages Billy to plot his revenge. But will Billy take the bait?
Emmerdale airs these scenes on Tuesday 6 May on ITV1 and ITVX.
Emmerdale airs on weeknights at 7.30pm on ITV1, and streams on ITVX.
Read more Emmerdale spoilers on our dedicated homepage
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