On the endless Gobi Desert, Yong Er (Wang Xuebing), who owes usury, unexpectedly takes an unknown child Gawa (Zhu Gengyou) on a dangerous journey of chasing his wife. On the straight and narrow highway, Yong Er and Jiawa meet Xiaomei (Ma Yili), a depressed and irritable female truck driver, and three people with different personalities temporarily walk together for some reason. After three days and two nights crossing the Gobi, as the journey continued, the people and things encountered greatly changed everyone's fate, and people's lives and the head of the road became insignificant in the world.

Ending:

The final outcome is that Xiaobei opened a studio in Beijing after returning from school, and his daily life can be said to be very comfortable. After graduation, Kang Zai made great efforts to find a job that was neither too high nor too low, and then bought a house with a loan. If nothing happens, he should spend his whole life paying off the mortgage. Xiao Min finally married her cousin in the countryside, and then lived a life of a rural woman, so there is no such thing as a binary choice 1. For some people, he has no choice at all.

The Road Not Taken is a road movie directed by Tang and starring Wang Xuebing, Ma Yili and Zhu Gengyou. September 18 was released in China.

Based on the story of Gobi in the west, the film tells a series of chain events that happened in three days and two nights when several characters with different personalities met on the western expressway.