Docudrama tracing the life of Saint Faustina Kowalska, whose visions of Jesus Christ inspired the Roman Catholic devotion to the Divine Mercy and earned her the title of "Apostle of Divine Mercy".
19-year-old Janka comes from a catholic family. She lives together with her parents in a small town near the eastern border of Poland. One day she meets an eccentric Russian woman–Sara. The feeling that is awoken as a result of the encounter becomes for Janka both the beginning of sequence of trials and reflections upon her own life. The film corresponds to the Ninth Commandment: “You shall not covet your neighbor’s wife".
