You Ji Ren, a blind factory worker living on a remote island, faces an unexpected horror when a hurricane isolates the factory from the outside world. Amid the chaos, a terrifying monster emerges, turning anyone who lays eyes on it into dark shadows. Since You Ji Ren cannot see the creature, he becomes the key to saving his coworkers. Using his unique advantage, he guides them to safety and leads the battle to defeat the monstrous threat.