Teerapong Liaorakwong

Tee Yai is a notorious contract killer protected by special black magic powers obtained from a monk. Anyone who fights with him loses. He is feared by all his rivals and the police. With the police hot on his tail he runs away from home. While on the run another gang begins doing jobs that are then blamed on him. He has to settle the score. But with every cop after him with orders to kill him can he succeed? (letterboxd)

Nida (Sinjai Plengpanich) is a single mother who takes care of her anti-social son who has locked himself in his room for five years. The only way to communicate with her son is to write on a piece of paper and slip it under the door. But, when outsiders start to get curious about what is going on behind the door of her son's room, a series of terrible events starts to happen. (themoviedb.org)