On the day before a comet is predicted to hit the earth, Jae-hee and Su-in, who have different disabilities, walk in the park they always wanted to visit and have a more peaceful time than ever. Just like that, they spend the most ordinary day on the last day of the world. With the end of the world gradually approaching, they climb to higher ground, embracing the moment of extinction. Neither the soft sea nor the starry universe is beyond their reach. For them, today is a new beginning, not an end.