Worried about her husband being allergic to dust, Nat, a recently-dead woman, returns as a ghost possessing a vacuum cleaner to clean the house and protect her family from other vengeful ghosts in the house. To become a useful ghost, she needs to get rid of the useless ones.

A 23-year-old indigenous gay man working on Khao San Road meets a Chinese tourist from England. As he gets to know the foreigner, he ponders his life, his family, and his future.