Vincent Ventura, monster fighter extraordinaire, can't believe the house at 666 Duende Street has attracted yet another creepy creature! In fact, there are several unusual beings, including ghosts and a lady in white with fiery glowing eyes! Is she ... La Llorona?!? And who is the other young woman? The next day at school, Vincent and his cousins meet a new substitute teacher, Ms. Malin Che, who just moved into the haunted house. What is her connection...