At Jiangchuan University, there is an anonymous forum called “The Echo Wall”, a place where even the faintest whisper can turn into a public trial. Lin Qiao, a student who prefers to observe from afar, finds her peace shattered when a shocking post shakes the entire campus. Under the pseudonym “The Anonymous”, someone launches a calculated accusation against the university’s golden couple — Student Council President Zhou Sinan and his girlfriend, Song Jia — implicating them in an academic fraud scandal. The intrigue deepens when the anonymous author links the current scandal to the tragic, unsolved death of another student, Xu Ran, which occurred two years earlier. The message ends with a chilling line: “Ask Xu Ran, the one from two years ago. If she can still speak.” What begins as simple online gossip quickly spirals into a web of lies, secrets, and danger. Caught in this unfolding storm, Lin Qiao transitions from a distant observer to a key player in the mystery. She starts receiving cryptic messages, proving she’s being watched — forcing her to question everything and everyone around her. Who is “The Anonymous,” and what do they really want? What connects the fraud, the perfect couple, and Xu Ran’s death? In a race against time, Lin Qiao must uncover a truth buried deep within the university’s collective memory — a truth someone tried to erase forever, and one that now threatens to destroy everything.