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 falls for Ming's daughter, Aura, after she drugs him with a love potion as part of a scheme to derail her upcoming nuptials with Barin.

Zarkov is abducted by Rankol's bodyguard, Genessa, in a bid to enlist the scientist's help in controlling the rifts.

Flash must help Baylin rescue the Verden who have been sold into slavery.