EastEnders fans are set to see dramatic scenes in the coming weeks when Mel discovers Sharon and Keanu's secret.
The BBC has just released photos from an upcoming episode which shows the fallout from Mel's discovery.
Teasing the dramatic storyline, the soap says: "Sharon's worst fears come to light as she learns that Mel knows the truth about Keanu being the father of her unborn child.
"It's not long before Mel takes matters into her own hands and starts blackmailing Sharon to get what she wants.
"What price will Sharon have to pay to keep her secret safe?"
Fans can find out what happens next in the episode airing on Monday, September 23.
EastEnders airs on RTÉ One and BBC One on Mondays, Tuesdays, Thursdays and Fridays.