General Kar releases his most powerful Mechavolution Beast to abduct Doctor Yumeno and gain the Retro Genes for Aton, while Zenobia and the Dark Knight work together to achieve the same goal.

Trapped within the Millennium Cave with no hope of escape, the Dynaman must work with Dr. Yumeno in order to finally stop Megiddo and Chimera and push forwards into their own dreams for the future!