The kids do figure it out, but soon afterward Seth, in a moment of bad judgment, makes it possible for unsavory creatures to enter the house, and Grandpa and Lena are kidnapped.
They are held hostage by the witch, Muriel, at the Forgotten Chapel where she is endeavoring to free a demon named Bahumat.
In book 2, over the Summer, Grandpa has Vanessa Santoro, Coulter Dixon, and Tanu Dufu train and teach Kendra and Seth for future adventuring.
Grandpa, invites the three specialists to help protect the property: a potion master, a magical relics collector, and a mystical creature trapper.
Grandpa takes part in the failed rescue mission and is imprisoned at Living Mirage for most of the book.