A possible summary is:
This is a story of a girl named Farah who lives with her rich but blind mother in Egypt. Her mother hires her cousin Jamal and her daughter Samar to work for them, but they are actually scheming to take over their house and money. Farah tries to expose their evil plans, but her mother doesn't believe her. Farah also meets a boy named Ahmed, who is Marwa's cousin and her rival in running. She falls in love with him, but thinks he betrayed her when Samar lies to him about her mother's condition. Farah eventually proves Samar and Jamal's wickedness to her mother, who kicks them out. She also reconciles with Ahmed, who tells her that the running competition was canceled because Marwa cheated. Farah gets another chance to win the trophy and joins the national team. She is happy with her mother and Ahmed by her side.
Here are some key facts extracted from the text:
1. The narrator is from Egypt and was raised by a single mother who had an eye condition and a trusting nature.
2. The narrator's mother invited her cousin Jamal and her daughter Samar to live with them and work as a cook.
3. Samar pretended to be shy and poor at home, but was actually mean and manipulative at school.
4. The narrator befriended a boy named Ahmed, who was Marwa's cousin and Samar's friend.
5. Samar and Marwa tricked the narrator into missing a city level running competition by lying about her mother's condition.
6. The narrator's mother found out the truth about Jamal and Samar and kicked them out of the house.
7. The narrator reconciled with Ahmed and won the competition after Marwa was disqualified for using an illegal energy booster.