A master goldsmith navigates the volatile political and artistic landscape of 16th-century Rome while attempting to complete a monumental commission. Cellini seeks to secure his reputation and win the hand of Teresa, the daughter of the papal treasurer, amidst the interference of rival artists and the looming threat of the Pope's displeasure. The narrative follows a three-act structure, utilizing the conventions of French grand opera to depict the protagonist's struggle against social constraints and professional sabotage. The libretto functions as a dramatic framework, balancing the protagonist's creative fervor with the rigid expectations of the Roman court.

Discussion often centers on the structural challenges inherent in the libretto, particularly regarding the pacing of the second act and the resolution of the plot. Readers and critics frequently highlight the contrast between the work's exuberant musical energy and its historically uneven reception on stage. Many analyses focus on the characterization of Cellini as a quintessential romantic artist whose passion often leads to chaotic outcomes. The work remains a subject of interest for those examining the evolution of Berlioz's creative vision and the specific difficulties of adapting historical biography into operatic form.