After an incident which nearly cost Littlefoot’s grandmother her life, Littlefoot learns a series of lessons which his species call “Wisdoms”. Meanwhile, a trio of dim-witted Beipiaosauruses named Loofah, Doofah and Foobie arrive in the Great Valley and behave in a strange manner towards Littlefoot and the gang. Littlefoot is determined that they learn the “Wisdoms” and the journey to the one place the trio have dreamed of, Berry Valley, begins.

Based on the Korean legend, unknown creatures will return and devastate the planet. Reporter Ethan Kendrick is called in to investigate the matter…