Suh Dong-hyun

Aspiring YouTuber Gi-ho stages a fake seance for viral content, but Ja-young joins, seeking her missing sister Seo-woo. In an underground cistern, Seo-woo volunteers as the "possessed," but when she collapses, terror unfolds. Trapped with sinister forces, the students face a deadly fate, leading to a shocking twist.

The talented Korean tenor, Bae, who penetrate the audience's hears through his delicate and powerful singing, is on the rise to stardom at the European opera scene. Sawada, a Japanese music producer, is searching for a new tenor for an upcoming performance. He watches a performance of Bae and invites him to Japan, which marks the beginning of friendship. But, the thyroid cancer strikes Bae. During an operation, the nerves of his vocal cords has be cut due to the widely spread cancer. Unfortunately, Ba ends up losing his voice at the peak of his career. Sawada cant's stand to watch Bae's miserable so he starts to look for a solution.