Everything in the past is like dying yesterday; everything in the future is like being born today. When Diandian thought that she was going to get rid of the memories of the past and start a new life, the meeting of old friends was a coincidence? Or was it premeditated? What choice should Diandian make and where should she go? The love and hatred of the three people are re-opened. Are the memories the truth or are there flaws? How can a broken mirror be made whole again?