Mavka — a Soul of the Forest and its Warden — faces an impossible choice between love and her duty as guardian to the Heart of the Forest, when she falls in love with a human — the talented young musician Lukas.

A story from the age of valiant knights, beautiful princesses, and evil sorcerers. Ruslan, an artist who dreams of becoming a knight, meets and falls in love with the beautiful Mila, without realizing that she is the King's daughter.