The story takes place in Haeundae, Busan, South Korea. During the 2004 Indonesian tsunami, the mistake of captain Wan Zik (played by Seol Kyung-gu) led to the death of Yeon-hee (played by Ha Ji-won)'s father. He felt deep self-blame in his heart. , and took good care of the sister next door, and gradually the two developed a secret love. However, Wan Zhi...