In the busy Mingguang Hospital, six medical staff with different personalities fight side by side for their own ideals and lives in the high-pressure, tense, and ridiculous medical front line. Novice Lin Yue is accidentally involved in the whirlpool of power struggles, medical accidents and complicated relationships. Wei Jin and Jiang Pei fight bloody battles for critically ill patients. Gao Jun is trapped in a private shadow and strives to redeem himself. Song Yurou is repeatedly pulled against her ideals. Yan Zimo faces the impermanence of life and seeks an exit. The story advances at the intersection of doctor-patient conflicts, family relationships, workplace struggles and human warmth. They struggled to grow up with laughter and tears, and finally faced the meaning of life, and found their own answers in the hospital where fireworks and light and shadow intertwined.