While mourning her best friend, Natalie, an aspiring teen paranormal investigator, stays at the purportedly haunted Harlow Hotel where she finds more than she expected.

Best friends Oliver and Annie love to play with the toy trucks at school; Oliver is particularly fond of the bulldozer--he calls himself the bulldozer man.

Ravenskill is hosting the Golden Frog Games, a magical tournament, but somebody is using forbidden hexes to turn contestants into stone; meanwhile Seven Salazar, future "uncle" of Ravenskill, who is supposed to have the power to communicate with animals,has a secret--the only voices she hears belong to the deadly monstruos.