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.