Jiang Yu, an art school student with a dream of being a singer, silently loved and protected his senior sister Xiu Yihan during college; Shang Che, a musical genius, skipped a grade and was admitted to an art school. Because his parents died early, he was dependent on his grandmother. Ji Er committed suicide, with a withdrawn personality, few words, and a poker face; in the college, Shang Che met Jiang Yu again, who had saved his life and gave him a chance to be reborn. The two became good brothers, and life, friendship, and music were intertwined; Shang Che devoted himself to using his own abilities to help Jiang Yu complete his three-step dream blueprint. Shang Che, who entered the entertainment industry, was shining brightly from the beginning, but later Jiang Yu was mediocre. In order to better help Jiang Yu, Shang Che asked Chi Yueyan, an agent assistant who had been with him for three years, to work for Jiang Yu, and she fell in love with Jiang Yu. However, Jiang Yu could not let go of Xiu Yihan in his heart, and Shang Che had already fallen in love with Chi Yueyan in the past three years, and An Zhexuan, the sister of An Zheyu, Jiang Yu's long-time friend, has always been deeply obsessed with Shang Che... Where should the love of these four people go?