"You've appointed yourself my mistress!" Sophy is determined to make Maison Noirot London's foremost dressmaking establishment if it kills her. It's been said she could sell sand to the bedouins, but waves of bad publicity after her sister's scandalous marriage are tainting business, so she has little time for anything but work – especially not the flirtatious affections of reckless rake the Earl of Longmore. But when a disreputable admirer compromises Longmore's sister, Noirot's favourite patron, the runaway sibling must be found. There's too much at stake for Sophy to let Longmore rush after them on his own. So together they make chase, but such close proximity can play havoc even with sworn adversaries...