They were childhood sweethearts, but they have become strangers. She is waiting, waiting for the moment when the lover in her heart returns. However, not all waiting will have results. When she experiences disappointment again and again and decides to give up, that person gradually begins to regret it. This time, it is him who waits, waiting for her to return to him. When all the dust settles and the truth emerges, can they still wait for the one they love in their hearts under that sea of stars?