嗄fter a robbery goes wrong, teenagers Thum and Bas flee from police and find themselves in Dan Sai, a small town in Loei province where the locals are celebrating the masked procession Phi Ta Khon. It③⑨;s a time when spirits are free to walk amongst the living.嗄fter a robbery goes wrong, teenagers Thum and Bas flee from police and find themselves in Dan Sai, a small town in Loei province where the locals are celebrating the masked procession Phi Ta Khon. It③⑨;s a time when spirits are free to walk amongst the living.