After their father left, Xiaoman and Xiaoyang guarded the old truck and the research notes left by their father.
They say that emotion can turn into energy, and concern can light up a light bulb.
Some say they are crazy, some say they are liars.
But they know that the light hidden in the cracks of the enamel jar, the tooth marks on the tool box, and the white hair of the military coat is always there.
This is a road paved with thoughts. At the end of the road, someone is waiting.
