A white cat owns a mill, but loses the mill to a black cat and the devil.

When the daughter of the Sun and the Moon is stolen, desperate parents call people to get their baby back. Helpers are given only three days: if at that time, the Sun's daughter will not be found, she will lose her strength and become an ordinary girl. A journey of danger and adventure, which teaches everyone not only to be brave and resourceful, but also helpful. The Latvian animated film is based on folklore motifs.