Nico is a wealthy and influential landowner, threatened by a group of criminals suspected of practicing black magic. Worried about his granddaughter and the other children, he hires a private detective, to whom he delegates the mission of finding out who is responsible for the heinous crimes that have occurred in the city. During the investigations, unpredictable events occur involving Antônio Carlos and Mary, rescue spirits who came to help prevent further tragedies.After all, who are the strange creatures that, in the name of evil, gather secretly, in the dead of night, in such a sinister and mysterious place?Let him open the book: accompany the spirit Antônio Carlos to the Orchid´s Cave and discover all that good can do to help those who suffer from the harassment of the shadows.