Secretary Souad discovers her boss Taher's secret that he has a son from a secret marriage, and he left information about him to his niece, Maysa.
Souad decides to copy all the photos and documents belonging to Taher's son. In the neighborhood, Masoud causes a major problem when the landlord tries to evict him for not paying the rent for a long time.
Souad hands Masoud all the papers related to Taher's son and convinces him to impersonate him so he can inherit his money.
Souad claims that Masoud died in an accident and begins to devise a plan to impersonate Wahid, Taher's son, and head to his father's company.
Taher returns from his trip, and Masoud deceives him into believing that he is his only son, and he decides to stay with him in his villa.
Masoud perfects his plan and places a picture of Taher's first wife in his house and claims that she is his mother in order to convince him that he is his son.
Masoud lives with Taher, and Maysa admires him, so Souad gets angry at her closeness to him.
Souad asks Masoud to tell Taher about his love for her so they can get married, but Maysa reveals to him a secret Souad has been hiding: that she doesn't love him and has always made fun of him.
Taher decides to hire Masoud as a worker at the company to find out everything that happens between the employees. Masoud discovers that one of them has stolen the company's money.
A fire breaks out in the company, and the employees discover that Masoud is Taher's son. Taher decides to ask for Maysa's hand in marriage for Masoud, which angers Souad.
Masoud decides to reveal the truth to Taher that he is not his son, but Taher surprises everyone by asking Souad to marry him.
Taher proposes to Souad, but Maysa is forced to remain silent and not reveal her secret after Souad threatens her.
Masoud decides to leave the house out of remorse. Maysa accompanies him and decides to tell her uncle Taher the truth about Masoud.
Tahir discovers that his first wife, Umm Wahid, is still alive and that his real son is not Masoud, so he decides to search for the latter.
Masoud breaks up with Maysa after Taher discovers the truth, and Souad returns to Masoud.