This drama follows the study, life, emotional experience and personal growth of the sick girl He Ran (played by actor Xu Ruohan) in the last stage of her life. It tells the story of her encounter with Xiao Han, an outstanding horticulturist who has difficulty letting go of the past and has almost lost confidence in her future life.(actor Yan Chengxu), after a series of unexpected, warm and romantic wonderful encounters, the two recovered from each other the most important but once missing parts of their lives, and regained their confidence and confidence in life.Hope, but also harvest the story of unforgettable love.