Sming is a half-man half-tiger creatures consists of two main breeds: the peaceful white Sming and the fierce black Sming. The leader of black Sming breed attacks the white Sming village and abducts the daughter of the white Sming’s leader. The legend told that those who consume the heart of a baby born under the crimson moon will be immortal. But the abducted kid escapes from Viengpayak in time. Krupim takes care of the kid like her own child and names her Duan. Duan becomes an 18-year-old girl in only a year.