A shaman's family learn that their goddess is supposedly controlling one of them. However, their lives take a frightening turn when they realise the goddess has nothing to do with the possession.
Eun-yi is hired as a maid in a mansion owned by a wealthy businessman. He quickly starts seducing his employee who seemingly has little choice but to comply with his sexual advances. Soon the women of the family plot against Eun-yi who must fight an equally devious battle to protect herself.
In a world where an AI programme allows people to communicate with their deceased loved ones, a flight attendant and a mother question the meaning of reality and humanity.