Dr. Steve Jones, Mike's uncle and renowned archaeologist, has returned to Seattle to decipher a strange inscription found on the side of the space children's escape pod. He believes the answer lies within The Oxford Wonder World, a book he received from a very wise old man, which contains many historical tales and legends.

Mica is the Princess of Argonia and the oldest of the space children rescued by Mike. She serves as Mike's telepathic guide, communicating with him across time to offer direction and encouragement as he pursues Zoda's clones through history.

Mike is a high school student and part-time adventurer from Seattle who had recently saved his uncle and seven space children from the clutches of the alien warlord Zoda. Now back home, Zoda's threat has resurfaced. Mike is once again pulled into an extraordinary journey, this time traveling through history itself to collect the Tetrads and stop Zoda's clones once and for all.