A story spanning 40 years that follows the struggles of three generations of farmers and rural cadres.

In a desperate hunt to track down a top-secret metal box during World War II, China's best forensics experts are called to duty. The year is 1945, and an iron box containing the top-secret files detailing the Japanese biological weapons program go missing. Police director Mo Caishi (Gang Wu) assigns top police detective Cheng Cihang (Zhenyu Qiao) to help track down the missing files.

From when she was young, Qing Ling grew up in an orphanage. She is a kind, cheerful and helpful girl with a perfect sense of smell. Due to her sensitivity to smells, she started to develop perfume. Qing Ling's dream is to create a perfume to pay back the orphanage and help society. In order to realize this dream, Qing Ling persevered through all sorts of adversity. While chasing her dream, she rec...