To craft their own hourglasses and become official Dream Chasers for the Night Bureau, Mateo and his friends must defeat the Dream Forge guardian.

As time runs out to face the Dream Forge and become official Dream Chasers, Mateo and his friends enlist the help of the mysterious Dream Bandit.

The search for the Sandman leads Mateo and the others to the tallest mountain in the Dream World, but Lunia's hourglass puts a target on their backs.