At 21, Wen Wanning meets 18-year-old car mechanic Ling Ye on a snowy night in the Northeast, brings him back to Shencheng, stays with him as he grows up, and witnesses him embark on his racing journey. Because of a moment of palpitations that crosses the line, the two are separated for six years. Six years later, Wen Wanning's career suffers a setback because she refuses the unspoken rules, while Ling Ye has already become a top racer. The two reunite because of a variety show, Ling Ye silently guards her, and the details of his secret crush are gradually exposed. During the journey, the two relive the past, finally break down the barrier between them, and fall in love honestly. Wen Wanning returns to the peak of her career, Ling Ye continues to gallop on the racetrack, composing a song of loyalty and redemption that spans age, time, mountains and seas. This short drama is adapted from the Tomato Novel 'Spring Mountain Clamor' by Bi You.