STEVE McDonald will be left devastated when his wife Tracy Barlow confesses to cheating on him with Paula Martin.
In upcoming scenes, the character –played by Kate Ford – will end up in bed with Sophie Webster’s ex on New Year’s Eve.
She wakes up naked and hungover, wracked with guilt as she realises she’s cheated on Steve.
Their furious daughter Amy quickly pieces it all together and orders Tracy to tell Steve the truth, or she’ll do it for her.
The tryst becomes public knowledge after Leanne Battersby, who has a son with Tracy’s husband Steve McDonald, hears the two women having a row.
In scenes shot over the past few weeks, Tracy — the adopted daughter of Street lothario Ken — and Paula are confronted by Jane Danson’s Leanne.
She then asks the pair: “So how long have you two been in love?”
Paula, who joined the soap last year, spills the beans, saying: “It was one night, Leanne, regretted by both of us.”
Tracey ends up confessing all to her husband when Sally throws a hot tub party – and invites Steve and Paula.
She struggles to mask her unease as Leanne devillishley goads her about what she got up to on New Year’s Eve.
Steve clocks the tension and confronts Tracy, wanting to know what happened and she admits she had a one night stand.
As they row, Steve is gobsmacked to discover who Tracy slept with.
Tracy assures Steve she was just feeling low as he’d been ignoring her for weeks. Steve is devastated, is their marriage over?
Soap villain Tracy has had a long list of lovers and affairs dating back to the early 1990s when played by Dawn Acton.
She has also been married three times — including twice to Simon Gregson’s Steve — and has murdered one ex-boyfriend.