Lucie Webster is miserable! On the night of her thirtieth birthday, she's bridesmaid #13 at her younger sister's Scottish themed wedding. Sipping champagne for courage, Lucie decides to discard her scratchy kilt and have a fling with one of the safe ushers. But an accidental hotel key mix-up lands Lucie in a sinful romp in the wrong four-poster—with the wild and sexy best man! Ian Macintosh is shocked—and delighted—by the gorgeous female who's appeared in his bed. Footloose and fancy free, he's ready to continue the fling. But a mortified, conservative Lucie is convinced she's made a mistake. Especially when her gorgeous indiscretion keeps luring her back under the covers!