Assunta and Michele are in love, but others come between them and jealousy arises. Assunta Spina stands out as an early landmark of naturalistic acting and a blueprint for the Italian Neorealist films to come.
Assunta, a commoner of Naples, is scarred by her lover Michele for jealousy.
During the absence of her husband, who left for a fishing cruise in the seas of China, Carmela falls under the spell of Vito, a young fisherman.