The Real Ghosts (2019)

Original title: ช่องส่องผี

A young man named Dol suffers a traumatic experience when his girlfriend Nicha dies in an accident and he believes that he is to blame for her death. One day, when Dol and a friend travel to an abandoned house which a client wants to renovate, he senses something strange about the house. He then uses an ancient coin that he has carried with him since birth to challenge the mysterious powers there, turning the coin into a connection of the living world and the dead. Using it, he tries to search for answers at the mysterious house.