If waiting for you for seven long years is not enough, add the rest of my life; if it is not enough to protect you with this overflowing love, add this deep affection. This is a story about love and long waiting, a story about loss and cherishment. When Gu Che and Xia Yichen made a huge gamble in their lives, they already had rare happiness. After enduring many years of loneliness and experiencing the pain of long erosion, they were finally able to join hands and watch the long flow of water after thousands of sails passed.