CORONATION Street fans will be left devastated as Sinead Tinker records an emotional video message for her son before her death.
The cancer-stricken mother - who is played by actress Katie McGlynn in the ITV soap - will die at home in scenes to be aired next week.
But before she passes, Sinead decides to film her thoughts and feelings to be played after she's gone.
It's set to be incredibly upsetting for viewers to see on October 24 and October 25, in episodes totalling 90 minutes.
This Morning's Soap Guru Sharon Marshall said today: "I've been told she does a monologue which is her recording a video to the little baby Bertie.
"It's absolutely heartbreaking."
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She added: "I was just speaking to someone at Corrie who has just seen the screening of Sinead's death.
"She said it's the most powerful scene that she's seen in the show's history.
"Apparently it just absolutely gets you."
In further distress to Sinead, she will discover Daniel cheated on her just before she dies.
She will be forced to forgive him for his kiss with Bethany Platt after he goes off the rails with guilt and drinks himself unconscious beside the canal.
Filming the scenes inside the one set took two weeks and took an emotional toll on the actors.
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