MaRu risks his life for EunGi after she crashes her motorbike and almost falls off a cliff, falling instead while trying to retrieve her last memory of her mother for her. He survives and her curiosity is peaked by him as she wonders why a man she doesn't know would do such a thing for her. She finds his home and follows him along as he rushes to his sister's side, EunGi's curiosity turning into attraction as she learns more about him.