Chiang Khan, a sleepy riverside district in Loei province best known to travellers for its misty mornings and slow-paced streets along the Mekong, is about to get a much darker on-screen debut. The town stars in Delusion, a new Thai mystery series arriving on Netflix on September 24 — and it trades guesthouses and sunrise markets for folklore, fear and a family unravelling.
The premise hooks quickly. A child goes missing in Chiang Khan, reopening wounds the community spent more than a decade trying to bury. As panic spreads, the old legend of Phii Pong resurfaces, and suspicion falls on Narong, an elderly man with worsening dementia played by Surasak Chaiyaat. His own memory loss makes him impossible to defend — even to the people around him.
Enter his daughter Wan, played by Natapohn Phornprapha, a provincial high school teacher fighting to prove her father is a sick man needing care, not the monster the town has decided he is. The closer she gets to answers, the less she recognises her own family. Alongside her, Jespipat Tilapornputt plays Pete, a Bangkok detective who trusts only evidence, while Vachiravit Paisarnkulwong plays Wat, the family's youngest son. The cast prepared hard: Tilapornputt consulted real police officers to understand the difference between investigative and interrogative duties, and the ensemble went through extensive solo and group workshops.
What makes Delusion interesting is its refusal to pick a villain. Is the horror supernatural folklore? The cruelty of a brain disease? Or a secret the family deliberately buried? Director and co-writer Chayan Laoyodtrakool says the core is family dynamics, layered with mystery and crime, built around one question: when someone you love becomes someone else, can you still trust what you see? Natapohn said the role hit close to home, reflecting a generation juggling their own lives while caring for ageing parents.
For travellers, the show doubles as an atmospheric introduction to a corner of Thailand that rarely appears on screen. Loei province sits in the country's northeast, and Chiang Khan itself has become a favourite weekend escape for Thai visitors — think riverside walks, cycling routes, street food night markets and the Phu Thok viewpoint where crowds gather for sea-of-mist sunrises. If the series lands the way the cast hopes, expect curiosity about this small border town to grow well beyond domestic tourists. Watching it before a trip would give you a very different feel for the place than any brochure: a reminder that in rural Isan, old beliefs still run deep, and every quiet street has a story.
The series also lands at a good time of year — Loei's cool season, roughly November to February, is when the mist Chiang Khan is famous for actually shows up, making it the natural window to visit once the show puts the town on your radar. Delusion streams on Netflix from September 24.
Credit: Bangkok Post Life.
