The heart-pounding terror of Saw begins at an imperceptible end. The cruel, omniscient judge, John, was once just like us—an ordinary cog in the cold machinery of industrial society. He buried himself in hard work, seeking the courage to live amidst the monotony. He succumbed to laziness, wasting both emotion and time. Among his peers, some led fulfilling lives yet grew weary of everything and chose suicide. These chaotic phenomena left John bewildered, but he could find no excuse for change. Until one day, his life suddenly entered a countdown. The death sentence of terminal cancer forced John to seriously contemplate the meaning of existence. With life slipping away, he turned his gaze to others. Forgetting sleep and food, he studied and delved into knowledge across various disciplines, racing against time and death itself, all to fulfill the "sacred mission" bestowed upon him by the god of fate! Everything begins here, and nothing can ever be undone...