Hedvig believes that her daughter-in-law does not deserve to be queen and intends to prevent it. Casimir goes horseback riding with Aldona Anna. During a storm, they find shelter in an inn.
Relatives of the dying king come to Wawel. Duchess Cunegunde believes that her son Bolko would be a better successor than Casimir. The mysterious girl Jolenta, sent by the Queen of Hungary, appears in the castle. King Wladyslaw dies.
Casimir's sister, Queen Elizabeth, arrives at the castle. She judges conspirators ruthlessly. Cunegunde tries to turn her sister against their brother, but Elizabeth defends Casimir. King Wladyslaw's funeral takes place.
Many guests come to Casimir and Aldona Anna's coronation, including the princess's brothers: Algirdas and Kestutis. Aldona Anna's former lover, Arunas, appears with them. The princess meets him secretly.
Algirdas wants to take his sister to Lithuania, Queen Hedvig likes this idea. Aldona Anna declares that she will not leave Casimir in difficult times. Gabija, the cook, finds dead rats in the kitchen.
Princess Aldona Anna is afraid for her children. Casimir becomes more independent of his mother, which saddens Hedvig. The old queen tends to the sick Cunegunde.
The royal court celebrates Saint John's Eve and lets loose garlands on the river. Casimir and Aldona search for the fern flower in the forest. The festivities are interrupted by Duke Bolko with news of the death of his mother Cunegunde.
Aldona Anna befriends Queen Elizabeth, but her conflict with Queen Hedvig worsens. Casimir hunts with Algirdas. In the woods they come across a boy called Maciek.
Cudka is in love with Casimir, despite the fact that Niemierz is trying to marry her. Royal Court is celebrating Easter. For Aldona Anna, Christianity is becoming more and more important.