The story twist occurs as Lewis (Nigel Havers) continues plotting against Gail, sneaking into the Bistro's office in an attempt to print off her bank details.
Lewis is forced to hide when Kylie (Paula Lane) and Nick (Ben Price) come through to the back, but his panic turns to joy when he overhears them talking about their recent one-night stand.
Later, Lewis reveals his true colours to Kylie by informing her of his vengeful plans for Gail - before warning that he'll reveal her betrayal to David unless she helps him with his scheme…
Coronation Street airs tonight at 7.30pm on ITV.
> Read our spoiler for tonight's 'Coronation Street' episode
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