Gynecologist Thora Guthrie discovers the burial of an unknown woman in the meadow behind her house, whose heart has been carefully cut out. An autopsy shows that a few days before her death, the woman gave birth to a child and even breastfed him. Who is this stranger? Why isn't anyone looking for her? Where is the newborn? And what kind of strange symbols are carved on the body of the deceased? In search of answers to these questions, the heroes go into a world of inhuman suffering and unimaginable cruelty...