I'll Never Betray My Youth or You, I'll Hold On to the Years and to You

From their first meeting to becoming acquainted, from understanding each other to staying by each other’s side, Zhu Yuzhao and Han Mengyu thought they had a love that would last day after day. But then Gu Yuzhao suddenly disappears without a trace. What is Han Mengyu supposed to do? When they meet again years later, what kind of story will unfold between them?