An adventurous journey on the Camino de Santiago. The imperial city of Tremmlingen in the 14th century: Here, the young and beautiful Tilla lives a sheltered life as the daughter of a wealthy merchant. Then her father dies and stipulates in his will that his heart should be buried in Santiago de Compostela. However, Tilla's brother disregards their father's last wishes and his desire to marry Tilla to the mayor's son. Instead, he forces her into marriage with his best friend. Disguised as a man, Tilla flees her hometown. Her destination is Santiago de Compostela...