Hollyoaks' Lindsey Butterfield will "take self-control back" in forthcoming summer episodes of the soap.
The Chester doctor - whose engagement to Joe Roscoe recently ended after he learned she had kissed his brother Freddie - will be involved in a "game-changing" incident which sees her make a "sacrifice" to turn her life around.
Sophie Austin, who plays Lindsey, said: "Something happens to Lindsey which is a game-changer. I really think it's a turning point for her.
"She takes a bit of self-control back, because up until now she's just been trying to keep her head above water.
"I can't say too much but something happens which is a sacrifice she's willing to make.
"She gets quite angry with the situation, she's had enough and needs to take a step back."
Though Sophie insists her character "totally loves" Joe (Ayden Callaghan), she doesn't think it would be impossible for her to embark on a relationship with Freddie (Charlie Clapham) - who she slept with when she mistakenly believed her fiancé had left her for another woman - in the future.
She added to the Daily Star newspaper: "I keep getting scripts that make me think she might still be in love with Freddie.
"It's really complicated. She totally loves Joe, but she thought he'd left her for another woman and was having a baby. So she became close to Freddie."
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