This is the moment when Coronation Street newcomer Carl Webster finally gives into temptation and leans in for a kiss with Abi, betraying his sick brother Kevin by getting it on with his wife.

After weeks of fighting her sizzling chemistry with Carl, will Abi finally give into her attraction and snog her brother-in-law? Or will she stay faithful and pull away?

“Carl’s been dying to kiss Abi. He’s been turned on by her spiky attitude and feisty comebacks from the moment they met,” our Corrie source explains.

“Abi might be Kevin’s wife, but Carl knows the feeling’s mutual…”

carl webster and abi webster, coronation street
ITV

Ever since their fiery frisson during a car park bust-up, Abi and Carl have been fighting their desire. With Kevin suffering through his cancer treatment, his marriage has hit a rough patch, so Carl’s surprise arrival has stirred the pot, leaving Abi confused over her feelings.

Her hostility towards Carl hasn’t gone unnoticed by Kevin – but with his younger brother deciding to stick around in Weatherfield, Abi has no choice but to tolerate his presence. And all that close proximity could prove too tempting to bear…

Their moment of weakness comes after Carl pops over to No.13 with a troubled expression. Abi senses something is bothering him and encourages him to open up, but she might live to regret her show of kindness.

“Carl hopes if he shows Abi a softer side, she’ll fall head over heels for him,” our insider continues.

carl webster and abi webster, coronation street
ITV

“He pretends he’s cut up about Kevin’s diagnosis, wishing they’d spent more time together in recent years. But really, he’s hoping this act will seduce Abi into bed.”

Falling for Carl’s caring ploy, Abi assures him that he’s a decent bloke. As they talk, Abi thaws towards him, apologising for their rocky start and confessing that she’s glad he stuck around on the Street.

But as Abi feeds Carl’s ego while they sit side by side on the sofa, he takes his chances and move in for a kiss.

carl webster and abi webster, coronation street
ITV

“This is everything Abi wants and fears at once,” our source shares.

“She knew Carl was trouble from the moment she met him – because he’s irresistible. But will Abi betray Kevin and return Carl’s passion?”

Could this be the beginning of an affair that will rip the Websters apart just when Debbie needs them the most?

Coronation Street airs these scenes on Monday, April 28 on ITV1 and ITVX.