medieval setting, young siblings, Amicia and Hugo, stealth, rats, plague, French countryside, dilapidated buildings, torchlight, tense atmosphere, worn clothing, leather boots, sling as weapon, emotional expressions, protective sister, frightened brother, survival, moonlit night, creeping shadows, soft ambient lighting, 3/4 view, detailed textures, rustic colors, historical drama, immersive environment, dynamic lighting, close-up on tense faces, gripping narrative, high-stakes action.