Eric, Pablo, Uma, and Liang create a weapon to defeat the Horror once and for all. They hatch a risky plan: one of them will have to sacrifice themselves. But Axel is not willing to give up. The time for the "Definite Fear" has arrived.

After escaping from the Lodge's clutches, Eric achieves a victory: he learns how the Nikty managed to defeat the Horror. Axel finally faces Daniel and tries to dismantle all plans to take hold of the creature.

While looking for a way of releasing his father, Eric begins to feel more powerful, but also more lost than ever. Santiago's return will give him answers regarding the "Night of the Lights" and the Lodge's role.

Eric discovers there is someone living inside the Horror. Julia tells him about the origin of the "Definitive Fear". To find answers, Eric must return to the mansion in search of the last part of his father's journal.

Eric manages to release Julia from the nightmare, but cannot find her anywhere. Pablo, Liang, and Uma get mad at him for betraying the group. Daniel suffers a harsh defeat against the Double C Lodge.

Eric is willing to appear in two places at once in order to release his mother, despite all warnings from his friends about the dangers he would face. In the meantime, the truth about his grandfather's hidden secrets is unveiled.

Eric becomes obsessed with trying to understand the place where he saw his mother and an old photo album brings him close to an answer. What he doesn't know is that the monster stalking Julia is a lot closer than he thinks.

After facing the Horror, Eric discovers he has a mark that is giving him vivid nightmares. Axel comes up with a plan that will help his father deal with the growing pressure of the townspeople regarding the disappearances.