A small wooden board hangs on the rusty door, with a pattern that looks like a QR code carved on it. Above the pattern, there are four crooked words "Crossing the Factory" written on it. Out of curiosity, I took out my phone and scanned the pattern, and the door suddenly opened automatically. From then on, I started three different lives: a street singer who lived in embarrassment and traveled to the Qing Dynasty to sweep the world's music scene; a handyman in a funeral home with an overdrawn credit card who counterattacked and became a modern rich man; a volunteer cleaner who quickly grew into the mayor of a city...
