Ye Chen, a successor of the Kunlun lineage, descends the mountain under his master's orders to marry and overcome his tribulation. However, at the engagement banquet, the Liu family humiliates him and breaks off the engagement. That very night, he unexpectedly saves Yu Qing, a female CEO being forced into a political marriage, and becomes her personal bodyguard. Facing infighting within the Yu family, the Shen family's power grab, relentless pursuit by the Xuanming Society, and the truth behind the massacre of the Ye clan, Ye Chen quietly protects the woman he loves while overcoming one crisis after another. Yu Qing gradually goes from testing him to trusting him, standing by his side as they venture into the ancestral grounds and open the Heavenly Gate. In the end, their sincere love resolves his love tribulation, allowing them to protect both their relationship and the mortal world.