Rejected by the Knightage, Kane has to fish for living. But when pirates come looting, he takes on a mysterious bow left by his father, and shoots out the power of Sun God, saving the village. Still, his girl friend Martha leaves him and chooses Eric, a wealthy noble. To save his ill mother, Kane joins the National Tournament and wins the approval of Kieron, a general. As Kane's Sun God bloodline unveils, he meets Isolde, the Sun Saint and his destined partner, and they fight alongside one another to eliminate the devils threatening the world. Together, they vow to be the world's eternal protector.
