Lin Wanqiu, a leading cardiac surgeon of the 21st century, is reborn in 1980 after an accident, finding herself on a journey to escape famine as an orphan on the brink of starvation.
From the start, she is trapped in a desperate situation. On a desolate road littered with the dead and dying, she uses her modern first-aid knowledge and a silver hairpin to save a boy suffering from febrile convulsions. Her astonishing feat unexpectedly catches the attention of Zhang Jianjun, a rugged military officer passing by.
At first, Zhang Jianjun watches her with a critical eye. Then he silently shields her from threats, both open and hidden, and awkwardly shows his care: bringing her scarce medicinal herbs, slamming a hand on the table to stand up for her when she is bullied, and giving her brown sugar during her period. This iron-blooded soldier reserves his tender side for her alone.
As modern medical knowledge collides with army life in the 1980s, and an independent, spirited female doctor