Twelve-year-old Mary is a rebellious soul who was taught by her father to look for “strange stones” – fossils. When he dies in a storm, the family is left without a means of livelihood, and Mary must not only take care of her mother and brother but also defend her passion for science in a world where women are expected to do nothing more than pray and tend the household. It is a colorful adventure about a girl who changed not only her own fate, but the entire world of science.