An accident leaves her with no memories of her past, forcing her to raise her daughter alone in a seaside fishing village. By a twist of fate, her daughter encounters an elderly man and receives a treasured family jade pendant. This unexpected encounter also leads her husband to find them by following the clues. Faced with the sudden appearance of family and an unfamiliar life among the wealthy, she is filled with suspicion and caution. While the man gently stays by their side and gradually grows closer to mother and daughter, he investigates the truth behind the accident years ago and protects them from outside interference and schemes. As they spend more time together, their misunderstandings slowly fade. She gradually opens her heart, and the two join hands to uncover the truth and protect their little family.