Lu Xiaoxing (played by Yang Mi) is a fledgling trainee policewoman. Her brother died in an accident, and Lu Xiaoxing, as a witness, is blind. Despite losing her vision, Lu Xiaoxing's other senses became unexpectedly active. Even though she lives in the dark, Lu Xiaoxing can still sensitively feel the movements around her. In a car accident, Lu Xiaoxing became an eyewitness. With her special abilities, she gave testimony. Lu Xiaoxing's excellent senses and memory attracted the attention of the old criminal policeman Lu Li (played by Wang Jingchun). Lin Chong (played by Lu Han) is another witness to the car accident, but strangely, the testimony he gave is completely different from Lu Xiaoxing's testimony. One is an ordinary person with all five senses intact, and the other is a blind person with both eyes blind. Whose testimony should be believed? And who is lying?