Kensaku Muro and his father manage a farm in Sakudaira at the foot of the Yatsugatake Mountains. One day Kensuke saves a suicidal woman, Fukiko Uzu, who jumps into a waterfall. Having injured his eyes in the process, he is brought to Tokyo for medical treatment. In Tokyo, Kensaku visits his mother Kaneko who left her son years ago. She now owns an exclusive club and has a son, Isao, with the president of Kobe Concern. Isao plots to steal Kensuke's farm as part of a land development scheme with Fukiko's husband. Without knowing they are blood related, their conflict over the farm intensifies.