The film is based on Khmer folklore beliefs about Ahp or Ap, a mythical demon which is found in Southeast Asia.

In the middle of a long night, a young woman and her boyfriend are confronted by a group of gangsters on their way home.

16 years later, a group of students on a field trip to Battambang arrive at the van and pray to a battabang guardian.

They criticized the low quality of special effects, however, as not able to match expectations for a modern film.

[2] This nocturnal female ghost with a floating head is part of popular Southeast Asian mythology, namely the folklore of Cambodia, Indonesia, Laos, Malaysia and Thailand.