La dinastia degli Arguil durata 123 anni, e piena di misteri e segreti, che la protagonista, ella, una ragazza di origini contadine,dovrà scoprire e risolvere, aiutata anche da due suoi compagni di avventura, il Bardo e L'Aquila nera.

Hyunjin and Felix attend an academy where special beings with incredible abilities, are to learn to take control over their powers with training. To keep away from the humans eyes; avoiding any conflict. Hyunjin, possesses the fire spirit. A rare but powerful one at that. Felix possesses the ice spirit, another rare one. Hyunjin was told to avoid the ice spirit at all costs, which he intended to do. But it was kinda hard when the ice spirit is consistent of being apart of his life. In more ways then one.

Things are situated and perceived as complicated in this story as Felix and Hyunjin are both showcased as the sun and moon of their friendship, but as the situation unfolds even more, will that friendship be torn apart by a little secret that has been kept away from Felix for years? Something so life changing to the point where it can mess up what they once build in the blink of an eye. So what happens when Hyunjin is to pick and choose between the two most important things in his life for the sake of a something he was told. Will he have the courage to carry out the plan, or will he falter under his own beliefs and show mercy to the own he loves...?