One Night Of Sin - Number 6 in series

Lord Alec Knight, the most daring and handsome rogue in all of London, is a smooth-talking aristocrat who has left a trail of broken-hearted ladies in his wake. With his irresistible wit, lucky hand at the gaming tables, and enticing charisma, he can have any woman he wants. But when the only girl he would have considered marrying ties the knot with someone else, Alec realises he doesn't want to be with just any lady - he wants to find the love of his life.
The beautiful and boldly spirited Miss Becky Ward takes his life by storm after he rescues her from peril. Alec soon learns that Becky is on the run, having uncovered a menacing secret about her cousin, the murderous Prince Mikhail Kurkov. In the midst of danger, Alec and Becky find themselves deeply drawn to each other. After the two spend an all-consuming night of sin, Becky's knight in shining armor vows on his honor to protect her until the end.
But can this once notorious rake truly be tamed?