A man who has been living overseas for many years returns home to find his sister and widowed mother are making a living by taking in lodgers and murdering them.

Fong, a young lady lives with her mother Jang in a faraway city foggy throughout the year. They run a small lodge where they poison, rob and kill the customers. One day, Fong's long lost brother returns to the city, but nobody recognizes him.—Ulf Kjell Gür