The Mimic is based on the myth of the “Tiger of Mt. Jang” – a legendary ghost which mimics the sound of humans. A woman, whose son has been missing for some time, moves to the countryside with her husband, daughter and sick mother-in-law. Out walking one day near Mt. Jang, the woman meets a mute girl by the mouth of a cave, who seems to be either lost or abandoned. The girl reminds her so much of her own lost son that she takes her home with her, at least until such time that she can locate her parents, or guardian, and return her to them. It’s not long before the girl begins to accurately mimic the voice of her daughter, and then increasingly strange, and sinister, events start to happen within the house…