Because of taking a photo, He Xianyu fell into Ning Che's whirlpool. She followed him on the road, but on the bumpy Yunnan-Tibet line, she got a glimpse of his secrets hidden under the drug dealer's mask.
One is a researcher struggling in the academic shady world, and the other is an undercover agent walking on the edge of a knife. They clashed on the road and saved each other in desperate situations. He pushed her away desperately, fearing that his darkness would contaminate her; after he left, she understood the peace he had gained with his life.
She finally understood that some people are like Populus euphratica, even if they die in the sand, they still have to block the darkness for others.
Intention: To the south of Populus euphratica and to the north of white sand, not a blade of grass grows.
