The story follows two intertwined threads: Long Shengyue and Zhang Lanqian meeting and falling in love, and Long Shengyue pursuing statistical reform and aspiring to make something of himself. Together, they form a trilogy about love and career: Youth Is Spring, Saying I Love You Is Not Easy, and From Clerk to Bureau Chief. The romance, emotional entanglements, and return to sincere love vividly portray a generation of young civil servants who yearn for true love and are devoted to their work. Long Shengyue's emotional journey, from simplicity to confusion, and his eventual efforts to become head of the statistics bureau take turns unfolding, with plenty of unexpected twists along the way.