On the day the comet came, a girl named Heloise was born. She would live a fine life, and inherit a fortune, but would meet a cruel, untimely death. Years later, strange dreams plague Katya Nemcova, a teenager burdened with a rare and curious gift. Memories come to Katya in her dreams - images and stories from a past that isn't her own. Are these ghosts real? And what of the memory she seems to have of Heloise's treasures, two centuries old?