Follows a financial genius who serves as a low-level employee of the Kuomintang Central Bank. He establishes his communist beliefs and takes the lead in the party's financial front.

Tells the story of Wei Ruolai (Wang Yibo), a financial genius who serves as a low-level employee of the Kuomintang Central Bank from 1929 to 1934. He is mentored by the senior advisor Shen Tunan (Wang Yang). In troubled times, he is confused and hesitant about the path he should choose. Under the influence of Shen Tunan's sister and Communist Party member Shen Jinzhen (Li Qin), he gradually establishes his communist beliefs and grows into a loyal financier who takes the lead in the party's financial front.