Coronation Street 's Geoff Metcalfe looks like he is on the verge of being discovered, as his lies about Tim's mum look set to catch up with him.

In tonight's episode, Geoff managed to produce a picture of Tim's seemingly real mum, telling a story of them all at the beach together when Tim was a baby.

As Tim later relayed the story to his wife Sally, she pointed out that his stories "had more holes than a crochet bedspread".

Fans also spotted a key clue, as they took to social media to ask if Tim had ever seen his birth certificate, as he would be able to find out his mum's real identity there, whilst others pointed out that Tim must have seen a picture of his mum before.

Geoff gave Tim a picture of his mother and insisted it was her

One posted: "Tim's mum must a picture of her and Tim..! Someone's got to have a sodding picture lol."

Another added: "Tim had a passport, you need birth certificate for that. I know he couldn't read but he can now look at it. Original parents named."

A third chipped in: "Nobody thought to check Tim's birth certificate?"

Is Tim going to finally discover the truth after Geoff's latest lie?

A fourth asked: "Does Tim not have a birth certificate? First place anyone else would look to confirm their mother’s identity!"

Is Tim going to betray his dad as he finally discovers that he has been lying to him?

Fans have also been desperate to know what has happened to the mysterious Elaine, who vanished from the soap earlier this week.

After a confrontation with Geoff, who made it clear that he wanted her gone before she could follow through with her offer to help Yasmeen in court, Alya and Sally panicked as she suddenly disappeared.

Geoff was later seen with her phone, hinting that he could have taken his crimes to a new extreme by committing murder.

Corrie continues on Monday at 7.30pm on ITV.