Ryosu, a half Thai half Japanese, comes to Ayutthaya to find his long-lost mom. During that, he falls in love with Or-soi, but she is bought to be a slave wife of a lord that can use magic. He forms a group with friends to set her free from being a slave.

A teenage girl is caught between the affections of two childhood friends while battling the bloodthirsty demon inside of her that manifests at night.