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.

Will Spanner, the reluctant heir to a dark legacy, is once again thrown into battle against the forces of evil when a series of gruesome murders begins to take place. The victims are all brutally murdered in a ritualistic fashion - the heart is missing from each of the corpses. All of the victims also have something in common with Will, something that the minions of darkness will stop at nothing to possess. Can Will Spanner unravel the mystery surrounding the murders before it is too late? Or will he finally succumb to the darkness that courses through his veins?