Jiang Xicheng once thought that meeting Ye Zixi was the greatest luck in her life, but the reality was so unpredictable that she finally understood that some things could not end until the end of the world if two people just love each other and agree with each other. When the gears of time turn back to the starting point again, when he still meets for the first time, between love and reality, should he choose innocence or face the complicated world?