Teacher Abu Al-Atawf agrees with teacher Atta on the marriage of his son Ibrahim and her daughter Samsim. Abdul Basir, Ibrahim's uncle, goes to bless the bride, and get to knows Attata, who resorted to the lawyer with whom she worked as a writer for twenty years to prove the lineage of her daughter from Lotfy, a wealthy who married her customally and refused to recognize his father to Samsim, so she had to register her in the name of her deceased husband.
(Nabil) is a young engineer who lives happily with his daughter (Mona) and his wife (Wafaa). He is a partner with his friend (Safwat) in the same office. Nabil sees a young man throwing himself with the intention of committing suicide. Nabil saves him from committing suicide, but Nabil drowns while saving him. This young man regrets his actions and tries to fix his mistake by getting close to Nabil's widow.