Mira finally got her dream job and dream destination. Getting accepted at a marine research facility located in Jeju Island means she's got to fly miles away from home! Promising her parents that she'll visit them the moment she got her first vacation she travels to Jeju with a happy heart. It is in Jeju where she'll meet Dylan. Her knowledge of the underwater world increases the more she spends time with Dylan. Is Dylan feeding her the lesser-known information of the sea? Is it possible that someone who claims that he can't swim knows far better than a scientist?