After the death of his foster parents, a young businessman goes into a journey in search of his biological mother. During the search he faces the social and religious prejudice that surrounds the LGBTTQ Brazilian community.

Aroldo Maciel, an audio technician at a university in Cuiabá, created an earthquake prediction method that has been challenging scientists around the world. He has great fame in Chile, to the point of not being able to walk the streets without being recognized. "Sísmico" shows great tremors predicted by Aroldo, his method, his conflict with science and his relationship with the Chileans.