Calista Langley operates an exclusive “introduction” agency in Victorian London, catering to respectable ladies and gentlemen who find themselves alone in the world. But now, a dangerously obsessed individual has begun sending her trinkets and gifts suitable only for those in deepest mourning—a black mirror, a funeral wreath, a ring set with black jet stone. Each is engraved with her initials. Desperate for help and fearing that the police will be of no assistance, Calista turns to Trent Hastings, a reclusive author of popular crime novels. Believing that Calista may be taking advantage of his lonely sister, who has become one of her clients, Trent doesn’t trust her. Scarred by his past, he’s learned to keep his emotions at bay, even as an instant attraction threatens his resolve. But as Trent and Calista comb through files of rejected clients in hopes of identifying her tormentor, it becomes clear that the danger may be coming from Calista’s own secret past—and that only her death will satisfy the stalker…


卡利斯塔．蘭利在英國維多利亞時期的倫敦經營一間「介紹」所，服務對象都是一些備受景仰卻孤獨一人的先生及女士。如今，一位危險的痴迷份子不斷送她小飾品和禮物，但盡是像黑鏡、葬禮花圈和黑碧璽戒指這些給喪家的東西。所有這些禮物都刻有她名字的縮寫。卡利斯塔急欲尋求幫助，卻又擔心警方辦事不利，所以她轉而向隱遁的知名犯罪小說作家特雷特．海斯汀求助。特雷特深信卡利斯塔會利用他孤獨的妹妹，同時也是卡利斯塔的客戶之一，因此他並不信任卡利斯塔。縱使瞬間的吸引力動搖著他的決心，但過去所受的痛楚讓特雷特早已學會不讓自己被情緒左右。為了找出那名危險份子，他和卡利斯塔徹底搜查客戶黑名單，希望能找出這位送禮的人是誰，最後發現這件事可能與卡利斯塔不為人知的過去有關，但或許唯有她死，那名痴迷份子才會罷休……