This is the concluding story of Hakusen Nagashi, a TV drama series which started in January 1996, focusing on the growth, loves and dreams of five friends.
Sonoko Nanakura is a straight A student, daughter of a doctor. She meets Wataru Okochi, a tall orphan guy working in a factory, who attends school at night. Her parents warn her not to get involved, and a smart boy Yusuke Hasebe also seems interested in her.