Pancho (Juan Manuel Rodil) is an independent filmmaker from Buenos Aires which is pushed by his grandfather Faust (Horacio Dener), to go after the loot of Butch Cassidy, who lived in Cholila (Chubut) between 1901 and 1905. Pursued by Commissioner Galvez (Oscar Huberty) for a crime he did't commit, Pancho will intersect with Nancy (Carla Pandolfi) and Anibal (Adrián Garavano). They will help him to find the treasure before Dimitri (Hernán Varela) a heartless professional searcher.

A documentary maker, a team of researchers in dead languages ​​and rites, a priest and a cameraman enter a factory that has been abandoned since 2001, when an employee murdered 16 work colleagues and subsequently, in the face of police persecution, killed himself. The police concealed evidence and closed the case as mass murder, but several testimonies, forensic photographs and other studies showed that the killer had practiced Enochian magic.