In part one, while the Nekross advance their master plan in secret, Tom is haunted by dreams of his childhood. And when he tries to have a normal life by going on a date with Katie he suddenly sees someone from his past and discovers the impossible has happened. His entire life will never be the same again . . .

In part two, with a powerful new ally by his side, Tom must bring his entire family together with Benny to destroy the Nekross master plan before the whole of Earth is changed forever. But are they strong enough to stop the Nekross? And in order to save the world, how much will Tom have to lose?

In part one, Lexi adopts human form and transports to Earth, with one aim – to capture Tom Clarke. But both are unaware that a greater enemy is watching – scheming billionaire Stephanie Gaunt is determined to prove the existence of magic, and nothing can stand in her way.

In part two, with Tom and Lexi held prisoner by Gaunt, the wizards and aliens must learn to work together, but is the alliance doomed to fail? As Benny faces the terror of the Brain Scrape, Gaunt's plans begin to escalate – with magic and Nekross technology combined, she can rule the world!

Darkness steals into the very heart of Camelot as Morgana and her puppet Queen hatch a sinister plan to murder the King. But when stablehand Tyr Seward becomes caught in the crossfire, he threatens to ruin everything. As the plot thickens and reaches its deadly climax, can a suspicious Merlin unravel the truth before it’s too late?

When Merlin agrees to help a young Druid boy, Daegal, he has no choice but to leave Camelot on a dangerous mission. And with the citadel distracted by the visit of the fearsome Sarrum of Amata, it seems that no-one will notice his absence. But as the sky darkens so do Merlin's suspicions - is there more to Daegal than meets the eye? And can a man as ruthless as the Sarrum ever really be trusted? Before long, the young warlock realises he's made a terrible mistake.

In part one, Benny launches an attack on the Nekross ship. The schoolboy genius uses all the computers on Earth against the aliens, and the starship Zarantulus is stricken. But soon the plan runs out of control, with terrifying consequences for both wizards and aliens alike.

In part two, time is running out for the Nekross, while on Earth the wizards fall apart. Ursula plans radical action against Benny, while Tom realises that the solution might lie with the ancient and mysterious Stones of Burnt Hill. But if helping Benny means saving his enemy, what choice will Tom make?