Rosa plans a vacation to her grandmother's house in a small town in Pará, visiting her childhood friends, Maria Flor and Heitor. During her stay, Rosa meets João, a mysterious and charming local resident, with whom she develops a relationship. One night, a party takes place nearby, and the next day, news spreads that some people gone missing. The strange occurrence attracts the attention of the locals.

While caring for her mother with Alzheimer's, Manuela discovers a secret world hidden in the city's cracks, where invisible creatures feed on the pain of lost memories. Guided by Carlos, she faces the Unlembrins to recover not only a prescription but also a fragment of her mother's memory.