When the Queen of Flutterfield is poisoned, her magical lights that safeguard the forest from the terrifying Skeezites begin to go out. Mariposa and two feisty friends embark on an incredible and dangerous journey to find the antidote that will save the Queen. Finally, in the mythical Cave of Reflection, Mariposa overcomes her own self doubt to solve the riddle that reveals the antidote, saves the Queen and defeats the Skeezites.