When Resus' grandfather, Grampy Vampy, gets locked in Dr Skully's confiscation cupboard, Luella uses a portal spell to get him back. But he's not the only thing that comes through the portal.

Resus uses a virus to rid his friends of their monster abilities so he can win sports day for once, but the virus has terrible consequences! Can Resus save the town before there are no monsters left in Scream Street?

When Resus gets a letter from his new pen pal in the Underlands, Luke and Cleo are suspicious. They know the Brain Catcher is trying to escape the Underlands again - so are these two things connected?