The capital of Aressia, the world's most coveted realm, is under siege. Outside the walls, Warrior King Thomas, the one said to be born of fire, is bent on the most glorious conquest of his life.

Inside the walls, Bill, the legitimate heir of the neighbouring northern Kingdom hides his identity, serving as the favourite courtesan of the besieged King Constantine.

Having hidden his orientation to men for most of his life, King Thomas sees his attraction to the young man as a threat to all he's struggled to become. However, Bill wants help to gain the throne of the North back, and he will stop nowhere.

So much different and so much alike, the two men will come to know that even a King's crown can become a crown of thorns.

The Northern and the Southern Kingdom have never got along well. Queen Morgan of the North is the best warrior in the world, only rivaled by the beautiful Crown Prince of the South, Bill, who is fearless and kind, but doubted by many, because of being mute.

One day, while the two kingdoms are at war, the Prince spares the life of a brave warrior of the North, Tom. Unwilling to admit that he owes his life to Bill and offer to serve him, as the ways of the Northern Kingdom demand, Tom has the Prince captured and treats him like a slave to satisfy his pride. However, the tables turn and Tom finds himself losing his freedom and falling for the breathtaking prince. Will it be too late for him to gain his life back and find love? Will Bill ever speak again? And does love really conquer all?

Their story, however, is really quite simple.