A female underground fighter who died in 1945 is reborn in 2025 as a high school student?
The story revolves around Gu Zhaoping (codename "Floating Duckweed"), a revolutionary soldier who sacrificed her life in 1945, who is reborn in 2025 as Lin Zhaoping, a high school student. She discovers that the baby she saved years ago, Gu Nianshen, has become the richest man in Nanling City, while her fiancé, Shi Wangshu, is still alive. Facing conspiracies from her adoptive family and school bullying, Zhaoping uses her wisdom and skills as an underground worker to expose historical truths, correct the worship of foreign things by future generations, and promote breakthroughs in national quantum cryptography technology. Ultimately, she reunites with the centenarian Shi Wangshu, and together they safeguard their nation's beliefs.