Young pianist Zhu Siyu and singer Liang Luo are invited to the same event and meet on the plane. Later, they end up staying in neighboring hotel rooms. On screen, Liang Luo is a cheerful, boy-next-door type, but in reality, he suffers from severe depression and relies on medication to get through each day, burying himself in work to numb the pain. Then he meets Zhu Siyu. Her bright, passionate spirit saves him again and again, giving him a reason to live and helping him find redemption…