本片聚焦资深车手杜太广与刚结束高考的儿子杜奕达。透过他们，可见北京赛车文化纵深与新时代代际关系。赛道上的加速与刹车，皆是人生隐喻，书写着城市的速度与温度。

This documentary focuses on veteran racer Du Taiguang and his son Du Yida, who has just finished the college entrance exam. Through them, we can see the depth of Beijing's motorsport culture and the intergenerational relationships in the new era. Every acceleration and brake on the track is a metaphor for life, embodying the speed and warmth of the city.