Casasola, who is known as "El Poeta" in the area, discovers the remains of an individual. In one of the exhibition rooms of the Templo Mayor Museum, Elisa is horrified to discover that there are fresh human remains on a ceremonial altar.

Elisa sets up an altar, unaware that the Witch has entered her house. Elisa realizes that there is a pattern behind the crimes. Casasola manages to deduce that there should be a new sacrifice. The Witch leads Elisa to a place where everything is darkness.