It follows Lan Xiao Chuan and Yun Fei, former lovers who parted ways under mysterious circumstances. When they reunite at an air show, they are shocked to discover that their parents have secretly begun a late-life romance—turning them from ex-lovers into soon-to-be step-siblings. Meanwhile, disputes surrounding the preservation of aviation models spark a series of conflicts, weaving together a warm yet tension-filled love story.
In an era when demons have dominion over cultivators and mortals, the cultivator elders believe it is imperative to send someone back in time to discover the origin of the demon lord and prevent his resurrection. Li Su Su accepts the mission and assumes the identity of mortal Ye Xi Wu, the second daughter of General Ye. She's married to Tantai Jin, the captive prince and future demon lord, and is determined to destroy him, aware that in the future he will come to massacre many. But as witness to Tantai Jin's past life and rise to power, an unexpected tale emerges, one complicating her quest.
