Su Xinghe, an immortal living in seclusion in the city, originally wanted to protect his sister Su Xiaowan in her ordinary life. Unexpectedly, in order to broadcast live broadcast material, Su Xiaowan accidentally opened Su Xinghe's basement that had been dusty for fifty years. The first item was exposed: it was a hand-drawn photolithography machine blueprint from 1975, and it was actually signed by Su Xinghe! The entire network was shocked, and top experts begged on the spot. As the live broadcast progresses, pieces of black technology across the ages, letters of thanks from great figures of the times, and stories of hard-core farming and industrial power in the hard years have emerged. It turns out that in that era when food and clothing were scarce, Su Xinghe once relied on the mysterious space to build a world-leading industrial empire in the wasteland. He was the unsung hero of the era and the eternal star that illuminated the future of China's science and technology. When the whole world was looking for the "Teacher Su" who changed their destiny, Su Xinghe was wearing an apron and making braised pork for his sister: 'Those are all old toys, what's there to take pictures of? '
