Yun Heng, the Star Lord of Fate in the Divine Realm, governs the bonds of love among all living beings, yet cannot see through her own tribulation of love. When she descends to the mortal world to repair the Wheel of Reincarnation, she falls for Xuan Jin, a fallen god doomed to die, a forbidden being branded by the Heavenly Dao with a fate destined to destroy the world.
When the immortal sects besiege him, she betrays Heaven to stand with him, offering her divine bones as a sacrifice to rewrite fate. He awakens his demonic god bloodline and shatters the thirty-three heavens, all to keep the last fragment of her soul from dispersing.
Three thousand years later, the orphan girl A Wu wields a brush in her left hand to continue writing the fates of all living beings, and a sword in her right to cut down the hypocrisy of the immortal sects. When her memories return, she finally learns that this calamity, which will topple the three realms, began with the one name he personally erased from the Book of Fate...