Li Er is a shy seventeen-year-old girl who is deaf in her left ear. If someone stands on her left side, she can't hear them. The introverted and shy Li Er has a crush on the popular high school boy Xu Yi. However Xu Yi is early on mesmerized by the bar waitress Ba La. After a series of events Li Er also befriends Ba La and realizes that Ba La actually has a real lover boy, a boy named Zhang Yang. After a certain event that occurs in their lives after graduating they realize that things never can be as they were before. (Source: Baidu; DramaWiki)