On the Sky Continent, two young men who had been brothers and sisters since childhood accidentally crossed paths. Since then, they have embarked on the path of immortals and demons, but they have remained true to their original intentions. One person joined the Qingyun Sect, practiced diligently and diligently, and eventually became a leader in the immortal way; the other person accidentally entered the Nether Palace, worked hard, adhered to his true heart, and became the pillar of the Demon Sect with his strength. Although the two are in different camps, they always help each other and work together. They use brotherly friendship to break the stereotypes of good and evil, pursue their dreams with sincerity, and use perseverance and blood to write a positive story about brothers and sisters working together to build a glorious chapter in immortality.