They met in medical school, and the genius tutor Lu Shiyan was the only light in Su Qingyuan's life. However, the disparity in family background, conspiracies and misunderstandings caused her to walk away heartbroken. He struggled with regret, and she grew up among thorns. Su Qingyuan left Longyuan Snowfield due to a failed operation and picked up the scalpel again in a simple plateau hospital. Three months later, Lu Shiyan came through thousands of miles of wind and snow, bringing not only unresolved truths, but also deep emotions. When the shadow of Shanghai's medical shady spreads to the foot of the snow-capped mountains, the two of them face the test of life and death and the choice of faith with kindness as their blade in the operating room closest to the sky. On the snow-falling plateau, white clothes reflect the original intention. What they save is not only the patient, but also each other's medical journey home.