Based on real events, the film follows Patrizia Reggiani, an ambitious woman who marries into the wealthy and powerful Gucci fashion dynasty and gradually becomes consumed by greed and resentment. As family rivalries and infidelities threaten her position, she orchestrates increasingly ruthless schemes to seize control of the empire. The story culminates in her plotting the murder of her ex-husband Maurizio Gucci, for which she is ultimately convicted.