New nurse Kanon is warned by her senior staff that the Second Research Lab is off-limits. During a night shift, she notices the lab's previously sealed window is now open and, overcome with curiosity, decides to enter. Inside, she discovers a disturbing presence trapped within a large tank—an eerie, fleshy mass covered in countless writhing tentacles, as if brought from another dimension. Trembling with fear, Kanon is simultaneously drawn to this mysterious creature. This suspenseful tale, blending an unsettling atmosphere with the unknown, captivates the viewer and gradually reveals the dark secrets hidden deep within the story.