When Sandra Mohr and Sascha Bergmann are called to the Mürzer Oberland, they encounter a strange discovery of a corpse. A man and a dog have been hanged upside down from a tree. Is the crime scene near the pilgrimage route to Mariazell a clue to a religiously motivated ritual murder? What role does the blind Magdalena play, around whom everything in the village seems to revolve? And what is Father Vinzenz hiding, who takes such tender care of her? The clues lead the LKA investigators into the past...