The Lead Masks Case: Mysterious Deaths on Vintém Hill

The bodies of two electrical technicians are found atop a remote hilltop in Brazil. The men were clad in formal suits, rain jackets, and bizarre homemade lead masks. Without any discernible cause of death, authorities are perplexed. As the investigation reveals cryptic notes, rumors of a scientific spiritual society, and potential extraterrestrial contact, the enigma of the masked men deepens.