Damara Van Brunt teaches Economics for Duke University in North Carolina. Her mother and brother live in Bozeman, Montana. Life is simple and wonderful. Until that eventful day her brother, Parker, calls from the hospital, and while on the phone, Damara hears the doctor announce that their mother has died. Returning home to put matters to rest, Damara is devastated to learn that her mother's death was no accident but a murder. Trying desperately to accept her mother's untimely death, Damara is also trying to comprehend the large amount of family secret information that was left for her if her mother should every die. With no one else to turn to, Damara contacts an old college friend, Carrie Clarke. After Carrie arrives to help her distraught friend. Both girls are thrown into a whirl wind adventure that takes them from Montana to New York City and finally, to Damara's birth place of Manitoba, Canada. But unknown to both Damara and Carrie, the murderer is following their progress closely in solving the eighty year-old mystery. Why is it that on the fortieth birthday of each first daughter's birthday is she murdered?