A talented musical boy, but he was born in an era of adultery, so he could only devote himself to an idol group. The sunny girl known as "Sunflower" slowly experienced pain and stumbling as she grew up. Behind the mystery and stubbornness is a fiery and true soul... What intertwines everything is not fate, but the trajectory of persistent pursuit of love. There is always no trace of the journey, and the journey never ends. The marks that can be left are all imprinted on the place called the heart.