After crossing over, the blind Chen An binds with a check-in system, unlocking god-tier singing skills and a massive library of classic original songs. After being accidentally injured by campus belle Luo Shiyu, she feels guilty and accompanies him all the way. Singing from the campus piano room to the talent show stage, works like "Dispelling Sorrows" and "Dawn has Come" successively explode in popularity, slapping down all doubts and prejudices. Relying on his strength to reach the pinnacle of the music world, he carves out a bright life of his own with his singing voice in the darkness.