Who is the Thai god Bayan?

Bayan God is a local native god, similar to the land god, or like the Yunnan Bai Bai's main god, the local belief in the film is that everything has a spirit, so there are many deities of all types, and Bayan God is considered to be a minor god.

"Spirit Medium" is a thriller film produced by Thailand's GTH Pictures and Golden Village Entertainment, directed by Banjang Bisindanagang, written by Luo Hongxiong, and starring Narella Kurmonkolpet and Sani Utoma.

The movie is a pseudo-documentary about an unexplainable folklore horror story that takes place in rural Thailand. It was released on July 14, 2021 in South Korea.

Synopsis:

The Isan region of Thailand, a place inherited by shamans, is the site of a documentary team that arrives to try to film the reincarnation of a shamanic family's guardian spirit, only to discover that the sins of the family's past lives have been cursed onto the children of the present, and that the goddess who appears to have been possessed by the god Bhajan on one of the family members isn't as good as she initially appears to be.