A sinister tragedy strikes the small town of Feria and leaves sisters Eva and Sofía perplexed - and wondering what they really know about their parents.
In 1975, Elena is unable to fulfill the ritual her father wants her to make in hopes of carrying a normal life. The 90s provide them with new challenges.
While investigating the Gnosticism that can make her understand the Cult of Light, Estrella finds something important. Chisco tells Eva that he's worried about Sofía.