Flash finds out that his scientist father is still alive, the only problem is that his father disappeared through a trans-dimensional rift.

Flash is shocked after witnessing a familiar face, his father, exit a rift.

Flash, Dale and Baylin travel to Mongo and learn about the Dactyl ascension ceremony. Meanwhile, Rankol is pressured into opening a rift.

Flash, Baylin and Zarkov visit the Verden on Mongo, where Flash learns more about his father from their leader, Barin; Ming has plans for Barin and Aura.

Zarkov becomes stranded on Mongo and is arrested in Nascent City. While imprisoned he meets Kreb, somebody who has information about Flash's father.

Flash heads to Frigia, a cold area of Mongo, to free the region's queen.

Ming orders Rankol's execution after he learns that Rankol is a Celetroph. Terek builds a force to rebel against Ming, while Flash is shocked by a discovery he makes in the mainframe room of the Citadel. Dale and Norah, who are being chased by "men in black," escape to Mongo.

The attack against Ming has begun, though Azura offers Ming assistance in repelling Terek's forces. Dr. Gordon is freed from a mind prison, leading to a brief reunion between father and son.