Italy, 1492. The beautiful Cecilia Gallerani becomes the mistress of the Duke of Milan. The girl must fight for her place in the palace and confront those who are waiting for her imminent exile. Soon, the Duke instructs Leonardo da Vinci to paint a portrait of young Cecilia... Germany, World War II. Restorer Edith Becker unwittingly gives the painting "Lady with an Ermine" to a high-ranking German official. Now she has to do everything possible and impossible to return it along with all the stolen works of art, for the storage of which she was responsible...