In 1988, the disappearance of a young girl shocks the population of little Brígida, in the interior of southern Brazil, resulting in the banning of pagan festivities of Ivana Kupala. Thirty years later, the city is preparing to bring the party back, but terrifying events, along with the dangerous ritual of transmigration of souls, unsettle the community and bring to light the secrets of a crime that ties three families’ destinies through time.

After a bloody invasion of the BOPE in the High-Security Penitentiary Bangu 1 in Rio de Janeiro to control a rebellion of interns, the Lieutenant-Colonel Roberto Nascimento and the second in command Captain André Matias are accused by the Human Right Aids member Diogo Fraga of execution of prisoners. Matias is transferred to the corrupted Military Police and Nascimento is exonerated from the BOPE by the Governor.

In 1997, before the visit of the pope to Rio de Janeiro, Captain Nascimento from BOPE (Special Police Operations Battalion) is assigned to eliminate the risks of the drug dealers in a dangerous slum nearby where the pope intends to be lodged.