King Edmund arrives in Corona to give his son, Eugene, a family heirloom; when the heirloom is stolen, Eugene reluctantly joins his father on a journey to retrieve it.
Rapunzel and Eugene's friends Angry and Red return to Corona permanently; their return quickly becomes a nightmare when the kingdom is stalked by a werewolf.
After discovering a map to a mythical treasure, Rapunzel believes that holding a race to claim it will be just the pick-me-up the people of Corona need.
An ancient hourglass sends Rapunzel and Pascal back in time, and their only hope of returning to the present is in the hands of a teenage Lance and Eugene.
Rapunzel finds that her parents' memory loss has made them forget how they fell in love; things get complicated when King Trevor tries to steal the Queen's heart.