It was dusk, and the sound of horse hooves was heard on the post road on the outskirts of the city. A green cloth carriage rolled through the mud and stopped in front of a mansion with a wooden plaque hanging "Di Mansion". The car curtain was raised, and a young man wearing a gray cloth shirt jumped out of the car. He looked up at the door lintel, with a look of worry between his brows. His name is Su Yan, and he was originally the accountant of a Chinese medicine shop in Luoyang City. Due to his family's financial difficulties, he was recommended by others to find a job in the mansion of Di Renjie, the magistrate of Pengze County...