Some memories refuse to stay buried. Some secrets were never meant to be uncovered. Gu Yihan has spent her life behind the walls of one of the most powerful families in the country. Calm, intelligent, and impossible to read, she hides a past she cannot fully remember-a past that returns every night in the form of a terrifying nightmare. As mysterious incidents begin to unfold and buried truths slowly rise to the surface, Gu Yihan finds herself trapped in a dangerous web of lies, betrayal, and murder. Every person around her hides a secret. Every answer leads to another question. In a world where silence is deadlier than violence, discovering the truth may cost everything. Because some shadows never disappear