The educated youth Zhang Hongcheng died for love, and I was reborn into him. I got an old envelope that could travel back and forth between two eras, and I changed my life against fate. The charcoal basin in the house had been extinguished, but Zhang Hongcheng still did not dare to be careless. He climbed to the window and began to take a big breath of fresh air. Zhang Hongcheng, who was lying on the window and exhaling, finally calmed down. The scenery outside the window made him extremely unfamiliar. At a glance, there were low-rise bungalows with exposed red bricks everywhere. The corridors between the houses rarely had hard ground, and were almost all dirt.