In the Continent of Dusk, lies and magic are intertwined into an invisible spider web. Yan Ying, once a royal spy, is now bound by the name "Black Widow". She wanders in the gap between the royal power and the other world, holding the soul-binding silver thread, hiding her late husband's last wish in her heart. After a failed assassination operation, Yan Ying was forced to embark on a journey of self-salvation and revenge, but unexpectedly awakened to control the power of nightmares, attracting the prying eyes of gods and evil spirits of the past. She is both a hunter and a prey, and every step she takes steps on the boundary between reality and fantasy. As the fog gradually clears, Yan Ying must choose between redemption and degradation, and her choice will tear apart the web of fate of the entire continent. Conspiracy, magic and shadows - can she escape the fate of "Black Widow" and weave a new world of her own?