When Olivia Wilson was a child, she was involved in a car accident that claimed her mother's life on the spot. She lost all her memories and was taken away by the man responsible for the accident. During the later sixteen years, she was raised by the man, who should be her enemy in fact. One day, by chance, she encountered her biological father, the richest man Davis Wilson, whom she no longer remembered. Unaware of her true identity, Davis hired her to search for his missing daughter. Just as the truth was about to come to light, her foster parents schemed to have her stepsister assume her identity...