The planet Zer'lue is in trouble being ravaged by Chairman Sana'ku and his evil forces. However, one boy holds the key to destroy the evil. Lue'der must find his power and destroy the evil to save his planet.
The reformed marionettes Tiger, Luchs, and Panther are sent to stay with Otaru to learn more about being human. A new mysterious marionette named Marine also appears.
