Registros Secretos de Serra Madrugada (2013) is a Mystery, Horror film that follows a group of young people begin an investigative documentary about a series of disappearances in the Curitiba region. Reports point to the involvement of a supposed "slender man," and the mystery deepens when, upon leaving the city, they find themselves lost and isolated in a region called Serra Madrugada. Intrigue, accusations, and fights are just the first obstacles faced by the group on the most terrifying night of their lives. They are not alone. Registros Secretos de Serra Madrugada is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 10.0 out of 10 from 1 votes. Fans of mystery movies may also want to explore similar titles below.