A documentary crew heads to Thailand's Isan region to interview Nim, a shaman who believes she is inhabited by the spirit of the ancestral goddess Ba Yan. As her niece, Mink, begins displaying odd behavior, disturbing events start to challenge the community’s beliefs, suggesting a darker force may be at play.
The Medium is a 2021 Isan-language mockumentary supernatural folk horror film co-written and produced by Na Hong-jin and directed by Banjong Pisanthanakun. It is a co-production of Thailand's GDH 559 and South Korea's Showbox. The film premiered at the 25th Bucheon International Fantastic Film Festival on 11 July 2021. It was theatrically released in South Korea on 14 July 2021. It was selected as the Thai entry for the Best International Feature Film at the 94th Academy Awards but was not nominated.
