"No matter how beautiful fireworks are, they only shine for a few seconds, the last thing that remains is only ashes, time can ease your pain, but memories still sometimes knock on your heart's door... "

How long will a love story that begins at the moment when fireworks bloom in the night sky? When one person gives too much love, loves the other like his life, and the other takes it for granted, in the end, how will such a love story end?