An aspiring music lover, Yang Zhenzhen, becomes the assistant to arrogant idol Zheng Boxu and helps transform him into a true artist, all while she grows into a skilled manager and he faces fierce competition from rising star Yu Zirui.

Peng Sen, a brilliant weapons engineer devoted to making the world safer through technology, is ready to marry his longtime love, writer Lin Qi. But just as they plan their honeymoon, Lin Qi vanishes, leaving only a breakup letter behind. Her sudden disappearance shatters his dreams and unravels a deeper emotional mystery.