Twenty-year-old Miao Miao, a sophomore in college, has always been unable to let go of Huang Ting'en, the male idol she once liked in junior high school. Suddenly one day Miao Miao found that she could travel back to six years ago in her dream after falling asleep. Miao Miao was ecstatic to regain the opportunity to spend time with her male idol. At the same time, she also began to think about whether she could change history. . . . . .