She is the daughter of an ordinary fisherman's family. There are many sisters in the family but they have not given birth to a son. Her mother is also very weak and lies in bed all day long and needs care. As the eldest daughter in the family, she is responsible for taking care of her mother. But from that day on, her life was like a dream. On this day, my father was in trouble while fishing and had not returned home. Out of worry, he went to the beach to look for him. He unexpectedly saw a man unconscious on the beach. The man was very handsome, so he took him home to take care of him. When the man woke up, he didn't even remember who he was. He just felt that she was very familiar, so he stayed in the fishing village to help her take care of the chores at home, and the two gradually fell in love. Unexpectedly, a few days later, several boats came to the fishing village to pick him up, and he took her away with them and brought her back to the capital. At this time, he also recovered his memory, and he was actually the prince! After returning to the capital, he asked his father to marry him, but he never thought that she was the prince's biological sister, the long-lost little princess! In this fateful fate, should he choose love for the throne or love for the poor...