The boys' problems are compounded when their parallel mothers all succumb to mysterious afflictions.

The boys are shattered to learn who is responsible for everything that’s happened to them.

The demon closes in for the kill as the boys finally work out how to return home.

Felix believes that there is a second talisman in their universe because the other talisman came from the alternate universe...and Sam has swapped bodies during the memory-wiping spell. Will the gang realise the truth before it's too late?

The gang have the second talisman and are set to bring Andy home, but Alice is determined to stop them. Meanwhile, Andy and Bear are running for their lives as their world collapses around them.

With the gang now powerless, Felix has devised his own plan to rescue Andy. He's going to ask Alice to swap him for Andy. Will the rest of the gang realise in time?