After being kicked out of her home, Sophia planned to raise pigs to survive. She found an old pig trough, a container used to feed pigs, and brought it home. But after using it, her pigs grew thinner for no reason. One day, she noticed the trough could swallow anything she threw in and then spit out treasures like gold, jade, and ancient items. She soon discovered the trough was connected to the past, to a powerful war general named General Yves who nearly conquered the Western Land before dying young. His kingdom collapsed, but through the trough, things from his world kept reaching hers.