The protagonist Lin Mo (a man from modern science and engineering) traveled through time and became Zhu Yunxi, the grandson of the Ming Dynasty (the eldest grandson of Zhu Yuanzhang, who was set to be the 25th-year-old prince of Hongwu). He was bound to the "Technological Immortal Cultivation Emperor System", integrating modern science and engineering knowledge with the immortal cultivation system, taking into account palace struggles, multi-female interactions, and empire building.
