Xu Lingxin lost his eyesight because of an accident. However, his partner of seven years, Lu Tianqi, didn't seem to care at all. "Let's break up, then." After leaving Lu Tianqi and finding his way through living alone in the dark, Xu Lingxin thought he was already used to being by himself. So why does Lu Tianqi seem unwilling to let go, as if trying to get him back? Meanwhile, his physician, Dr. Qin, wants to take this chance to get closer... With strong contenders on both sides, what will Xu Lingxin do?