17-Year-old Meng Gaoqing met 23-year-old Qinshan who saved him from the future at subway station No. 6. They met, got to know each other, and fell in love. But one day, Qinshan disappeared, and there was no trace of him in the whole world until five years later, Meng Gaoqing saw Qinshan dressed as a student at Subway Station No. 6...
Intention: Chase each other and support each other