In the mystical realm of Requiem Street, a haven for malevolent spirits seeking annihilation, humans and spirits dwell together. However, access to this realm is restricted to a select few endowed with guardian spirits. Xia Ling, a typical university intern, stumbles into this enigmatic world by serendipity, altering the course of her mundane existence. As she grapples with the sinister spirits lurking in every corner, the question looms: will she master the art of collaboration with her guardian spirit to endure the perils that abound?