Deng Wei's life is packed in a delivery box and a stroller. The steering wheel is his job and the safety seat in the back seat is his weakness. In order to give his daughter a stable tomorrow, he crushed time into minutes, grabbed orders and delivered goods in the city's traffic, and used his sweaty spine to support the sky of a single father. When his colleague Liu Jia breaks into his trajectory with similar fatigue and resilience, the two people running in life will eventually find their own sunrise in the rolling wheels.