Genius scientist Emma and her sister Samantha became estranged due to a hospital mix-up at birth. After Emma’s successful time machine experiment, she is retaliated against by Samantha, and the two accidentally travel back ten years. Samantha vies for Emma's identity as the Carter family's real daughter and her engagement, while Emma meets Matthew, who hides his identity as a chairman. Through identity entanglements, workplace hardships and life-or-death crises, Emma breaks fate with true love and perseverance, eventually finding happiness with Matthew.
