When Qianyu was washing clothes by the river, Sanwa, an educated youth passing by, fell for her at first glance. Sanwa frequently observed her quietly and approached her proactively; the two gradually developed feelings for each other and secretly got together. Soon, the policy for educated youths to return to the city was issued, and Sanwa's name was on the list. He and Qianyu agreed that he would return to the city to settle down first and then come back to pick her up. Sanwa left, and the waiting by the riverbank continued. Can Qianyu still wait for that promise?