The kingdom of the Mums - simple folk of the Great Forest - has been thrown into chaos. Grologrops - fierce bird-like creatures with spindly legs and giant talons - have attacked, and Mildar, the Mum king, is missing. The king's son is gathering an army to steal the throne from his sister, Queen Mildred, and a mysterious force called the bad enchantment lurks over the land. Now, it is up to Mildred to find her father and restore the kingdom. However, between her and success lies a great mystery involving old friends, new allies, and a strange girl named Lady Mera.