From the earliest times, people have wondered what awaits them after death? And although no one has managed to penetrate the core of the mystery, over the centuries there have been people who ... knew and saw more. Fulla Horak, St. Faustina Kowalska, Bl. Father Stanisław Papczyński and St. Padre Pio - these are mystics who received the grace of being visited by the souls in Purgatory and who for a moment could see the final judgment, heaven, hell and what is most mysterious - purgatory.
In IX century Europe, on the brink of Poland's birth, a cruel prince, Popiel, murders his cousins to ensure his son's succession. His crimes lead to an uprising of his subjects lead by the former commander of Popiel's army, Piastun, and a young hunter and warrior, Ziemowit. Meanwhile Ziemowit falls in love with Dziwa, lovely girl who is to become a priestess in the local temple ...