The engineer awoke to the sound of the failing air conditioning, knowing four things above all else. He knew exactly who would be beating a monotonous rhythm on the door, he knew that he had to kill them, he knew that they would already be dead and rotting, and he was painfully aware that they would not be alone...Just One Day is a short sci-fi/horror story by Jacob Prytherch, author of The Binary Man, Heal The Sick Raise The Dead, and the Cuts of Flesh series.