Lady Althea Ashcroft should know better than to sneak into a gentleman’s home in the middle of the night but when she suspects the gentleman of being involved with the Midnight Club it’s difficult to resist. When that gentleman is Henry Mason, Earl of Prescott it is impossible to resist. She knows he must be up to no good. From the first moment she met the earl the fluttering in her heart told her that he was going to cause untold complications in her orderly life. When he catches her in his study in the middle of the night she finds out that she was frighteningly correct. Henry has a problem, and when the finds the enchanting Althea Ashcroft sneaking into his study in the middle of the night he realizes that he has been given a solution; a rather enticing solution. The lady has an effect on him that is impossible to ignore but she is determined to dislike him. When he blackmails her into assisting him in gathering information on the club’s circle he quickly realizes that she has a mind of her own and is good at using it to get herself into trouble. As they begin to close in on the leader of the Midnight Club, the Phoenix, they realize that they may be in over their heads. It is a desperate struggle to infiltrate the clubs inner circle without betraying their true motives to the club and to each other.