Ever since coming to this hospital, she started having strange dreams and visions. Nurse Yuna, who recently transferred here, finds herself drawn into mysterious experiences at her new workplace. Enveloped in an otherworldly sensation unlike her daily routine, her mind gradually begins to waver, as if the boundary between reality and dreams is blurring. Caught up in inexplicable events, Yuna must delve deeper to uncover her own true nature and the hospital's hidden truths.