Xian is a world of corruption. A failed rebellion and a country in turmoil with a people struggling to hold on. It is a land of opportunity only for those who hold the dollars to pursue. In these troubled times, a soldier appears with his own mission. Unbeknownst to him, he meets a woman who has grown tired of this way of life. After a night of fornication and bliss, he awakens to learn of a murder that took place the previous evening. Their own devices a mystery to each other, they set out to bring the one who did this nefarious deed to justice. On the other side of this excursion is an evil diva who enjoys this way of existence and profits off the misery of her own world. She and her ladies go to prison after a heist goes awry. It is here that they escape and set out to bring revenge on those responsible. Supreme Ruler is all about perspective; and it is that way that drives the plot creating an intoxicating mix of sex, violence, and modern action.