This is a destiny-entangled ancient palace intrigue tragic romance story. Maid A Li personally experienced the entire Xie family dying a tragic death, with the young miss sacrificing herself to protect her. Carrying a sea of blood and hatred, she is reborn, vowing to defy the heavens and change her fate. But inside the shell of the young miss who returned after falling into the water is Lin Xia, a modern book-crosser burdened with a world-saving mission. The two mutually expose secrets and form an alliance, joining hands to shatter the heavy murder plots of court villains. Facing life and death together day and night makes A Li, who was obsessed with her former master, deeply attached to Lin Xia. When the Xie family's grievances are vindicated and the original owner returns, Lin Xia, having completed her mission, is on the verge of fading away. In the end, A Li stakes everything, crossing time and space to rush toward a two-way reunion.