On the eve of war, Tom is visited by a wizard family who claim to have found the most powerful object on the planet – the Source of All Magic! But in the skies above, the Nekross are forced to take terrible action, as Kooth sets her evil plan in motion. By the end of this night, neither wizards nor aliens will ever be the same again.

Worlds collide as Earth becomes a battleground in an intergalactic war. With Ursula dying, Michael trapped, and Moon helpless, Tom and Benny must form a desperate alliance with Varg and Lexi to stop Kooth's apocalyptic plan. As the countdown nears its end, can Tom become a hero like never before?

When students and teachers at Kings Park School start acting strangely, Tom and Benny fear their enemies have returned and soon suspect alien activity centred on the mysterious Room 12.