Quick scratching echoes against the cold cobblestone walls of a dark alley. Next to the dirt-covered planks thrown next to one of the walls, a starving rat is desperately searching for something to eat. After a number of unsuccessful attempts, the rat gives up and decides to search elsewhere. While running around, the rat notices something lying in the dirt. It is completely motionless, but there seems to be warm air that is heading from its direction towards the investigating creature. This ...