When Anna Foster was young, she witnessed her mother and her elder brother being killed by Vivian Reynolds. She then transplanted her elder brother's heart into her son Ethan Reynolds. Thus,Anna Foster devised a plan to approach the son of the murderer, Ethan Reynolds, Vivian Reynolds's son, and finally sent the murderer to prison after more than ten years. However, she found that although she had avenged her great wrong, she still couldn't fully let go. The emotional entanglement between her and Ethan Reynolds was still disturbing her mind.