Miguel's scientists race to determine the victims' exact cause of death. Kenia tries to break into the computer Flaco set up to store top-secret data.

Flaco follows Kenia. A reward for info on Epigmenio's whereabouts tempts one of Jaramillo's men. Edna overhears a horrifying phone conversation.

As Kenia runs for her life, Adela begs Miguel to spare her. A halt in ephiline production spurs Miguel's partners to take matters into their own hands.