In this Thai horror film that marries science with the supernatural, an experiment about the afterlife goes awry when Gla and Wee, two medical doctor buddies see a `ghost` with their own eyes for the first time. This encounter spawns an insatiable drive to find a scientific explanation for ghosts and to find proof of the afterlife.
Their fixation and reckless pursuit of knowledge will take them down a rabbit hole that will cost them their friendship and their loved ones.