My Heart and Its Key

Asaad fails to remarry his wife Mayar after he divorces her for the third time. He asks her to find an intervening husband, and threatens her with taking their son Ali if she fails to do so. Mohamed works as a driver and fails to find a bride that his mother likes.

After coincidence brings Mayar and Mohamed together, she causes damage to his car, then she asks him to marry her and he agrees. It's revealed that Asaad is secretly married to another woman.

After their marriage, Mohamed tries to get close to Mayar, but she evades him, then he divorces her. Asaad’s sister, Alia, becomes romantically involved with his assistant Ismail. Asaad discovers a love message from Nasr, the restaurant owner, which he sent surreptitiously to Mohga, Asaad’s mother.

To save the situation, Shinawi is forced to tell Asaad that he was the one who sent the message to Mohga, and he is forced to agree to marry her. Mohamed tries to find Mayar in vain, and then he meets Asaad, who offers him a job working for him, and Mohamed agrees without knowing who he is.

Mohamed confesses to Yara that he is not financially ready to marry her. Asaad agrees to spend an engagement period with Mayar, but she still suffers from his repulsive nature. When Mohamed goes to attend his uncle Shinawi’s wedding to Mohga, he meets Mayar there.

After their wedding, Mohga tries to get close to Shinawi, but he evades her amid his feelings of guilt towards Nasr. Mayar tells Mohamed the truth about her situation with Asaad, who refuses Mohamed’s request to quit working for him.

Shinawi continues not to get close to Mohga during their honeymoon. Ismail hatches a scheme against Mohamed to get him out of his way. As some men attack Asaad’s house, Bijou dies during the confrontation. Mohamed insists on quitting working with Asaad, who decides to teach him a lesson.

At Asaad’s instigation, Mohamed is caught with narcotic substances in his car, and is detained pending investigation. Ismail asks Alia to marry him after Asaad rejects his request to marry her. Asaad is evasive when Bijou’s father asks him about his absent son.

As Mohamed is released on bail, a video is found proving Bakkar's involvement in planting the drugs in Mohamed's car. Mayar discovers from Shorouk that she is married to Asaad.

Alia and Ismail's relationship reaches a dead end. Nasr berates Shinawi for betraying their friendship by getting close to Mohga. Mohamed makes educational videos and tells Noha that he does not like her back, so she reveals to him that Mayar is looking for an intervening husband.

Asaad divorces Shorouk, her relationship with Bakkar becomes clear, Mohamed's educational videos become popular, Nasr Restaurant becomes famous with Shenawy's help, Noha's engagement party to Ismail is held, and Mayar explains to Mohamed the reason for hiding her search for a fixer from him, so he forgives her and returns to her.

Mahaja asks Shenawy for a divorce after she learns from Nasr that he lied to her. After becoming suspicious, Asaad discovers that Mayar and Mohamed are in a romantic relationship. Ismail threatens to expose Asaad's involvement in her dance troupe if she doesn't marry him.

Shenawy confesses his love for Mahga and helps Nasr meet Sabah. Asaad takes Mohamed for dinner at Mayar's apartment, and Mohamed manages to escape with Mayar and Ali to his friend Abdullah's chalet. Alia rejects Ismail's threats and travels with her mother. Asaad plots a new plot against Mohamed.

Mohamed is arrested after Bakkar puts Bijou's body in his car. As Asaad threatens Mayar with a video of her with Mohamed, he loses his money after Haggag and Zaher conspire against him. Asaad is arrested on charges of killing one of Haggag's men. After he is acquitted, Mohamed returns to Mayar.