Two big nations are enemies: The tribe of the sun and the tribe of the moon. The generals and or Queens of these 2 groups are powerful female warriors who know no mercy. Solar's ancestors were either killed by Moonbyul's or killed hers. Hwasa is the right arm of the leader of the Moon. However, she carries resentment to Moonbyul's dead father and she may harm her friend. Wheein is the priestess who is respected by all tribes and she will make a prediction that

  You’re just a normal high school girl, who wants to finish high school and go to college. But fate wasn’t on your side, instead six alien warriors from a different planet comes into your life. There your life starts to change into something that you never expected.