Tag's mum sends him an urgent message that takes the rogue to the prison world calzarat. There the prisoners, including tag's dad, are being used by the cruel doctor mendez in her dark experiments on their minds.
Tag and Gem infiltrate the Imperium's Academy to find out why children are disappearing. Gem joins the Imperium, while Tag finds himself a slave on the Moon of Magog where he makes a new friend, Mike Tarrant.
The imperium unveil their new upgrade device, the space-station oroborous and its android commander, primis. Just touching any imperium tech enslaves the mind, as one of the rogue's crew discovers to their cost.
The rogue crew are visited by cav anaton, tag's dad. Cav claims the rogue is his ship and has to prove to tag that everything the teen has experienced over the past few months has been a holographic imperium test.
Gem accidentally activates a living weapon from the dark times hidden deep within rogue. The weapon takes her over and she begins destroying the ship. Mike meanwhile has started a rebellion on the moon of magog.
Someone has kidnapped Vykar and is trying to get secrets from deep within his mind. Realising Vykar holds the key to his own lost past, Zero must undertake a dangerous mission to rescue his old enemy.
Zero knows the only way to stop Vykar is to merge with the Codec and fight, despite the devastating effect this has on the planet Dosk, as well as Gem, Del and everyone else connected to the Bioweve.