Felix, Andy, Jack, and Sam are back in their own time line but they are different from when they first crossed over. During an interview Felix spots Alice who later turns up outside Pheobe's place weak and feverish. Andy gets into trouble.
Felix, Jake, and Sam do a reversal spell to get Andy back but it doesn't work. They try to get Phoebe to help but she won't, and then Alice offers to assist them, but something goes wrong.
Pressure mounts on Felix, Jake and Sam as they are questioned by the police about Andy's disappearance. Meanwhile Oscar tries to find the book of shadows by making a connection with Alice.
After being beaten to Alice's Book of Shadows, Felix theorizes that if they find another water element, they should regain their ability to use magic. So the boys go on the hunt for the new element.
The search for Andy takes Felix, Jake, Sam and Ellen back to the alternate universe. But they have to be quick, Felix fears the restoring demon isn't far behind them.
Overwhelmed, Ellen tries to process their journey to the other universe and refuses to talk to Felix, while Jake is shocked to discover that Cop Gary has followed them through the portal.
The talisman is missing - Jake and Felix are at loggerheads as to where it is. Could Saskia be to blame? Meanwhile, Andy meets a cloaked figure while trying to find a way out of negative space.
The gang discover Andy is trapped in Negative Space due to Alice hacking Andy's spell; and Alice lures Oscar to the river and offers to cast a spell to make him walk again.
Felix asks Alice if he can swap places with Andy, but is interrupted when Phoebe loses control of her new powers. Due to this, the Restoring Demon returns, but this time it is Andy.
The Nowhere Boys are drawn together for one final spell when Felix finds a magically sealed Book of Shadows. Unknowingly the spell releases a powerful teenage force of chaos and revenge that threatens their world.