Lovely Lady Christabel is desperate to regain some letters that could destroy her. So desperate, she pretends to be the mistress of notorious gaming club owner Gavin Byrne – just so she can accompany him to a scandalous house party hosted by the man who holds her secrets. But when she agreed to let Byrne coach her on how a true mistress behaves, she never suspected how very persuasive he could be in the role of teacher or how tantalizing his wicked lessons could be. Gavin is secretly determined to find the letters before Christabel, so he can use them to revenge the noble sire who abandoned him to a childhood in London’s worst slum. He’s also pleased at how very successful his “mistress lessons” are coming along: it won’t be long before the luscious young widow is in his bed. But when he finds himself tangled in his own seductive net, he realizes that if the letters are found that he will face a difficult choice: wreak the vengeance he’s planned all his life or protect the pupil he never expected to love.