EMMERDALE fans have spotted a clue proving who Nicky is working with.
The manny - who is played by actor Lewis Cope in the ITV soap - is hiding a big secret about who he really is.
He has yet to be given a surname in Emmerdale which usually means he is connected to another character.
And now fans think they know who - Caleb.
In tonight’s episode Nicky found himself in the middle of Will Taylor’s row with Caleb.
Nicky told Will to go outside and not to let Caleb get to him.
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Outside, Will was smarting after Kim had told him to stop being childish over the horse.
As Caleb bonded with Rhona about the horse, Will ended up confiding in Nicky even more.
“He’s up to something, I just know it,” he told Nicky.
“It’s why I follow him round, it’s not for fun.”
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Nicky told him it looked a bit weird with him stalking Caleb - and Will agreed and asked him to spy on Caleb for him.
“You said we were allies,” Will said. “Just follow him around and report back.”
Nicky looked uneasy - but it seemed as if he had led Will to his own conclusion.
And fans are convinced it’s proof that Nicky is working with Caleb against the Tates.
One wrote: "Are we sure that Nicky isn't working for Caleb?"
A second said: "Fairly sure Caleb's cryptic phone calls are to Nicky the nanny."
Another added: "I think Caleb and Nicky are working together."