In a modern-day Hongshan, a mysterious echo brings to light a dark secret, as a young woman must navigate a web of deceit and danger to uncover the truth....

In a world shrouded in secrecy, a young woman stumbles upon a forgotten labyrinth, only to realize it's a trap woven with her own past. As she navigates its treacherous paths, she must confront her deepest fears and the betrayal of those she trusted....