Here is a possible concise summary:
Hannah is a 14-year-old girl who lives with her mom, who homeschools her and is very protective of her. When her mom gets sick, Hannah has to live with her dad, who turns out to be a billionaire spy. Hannah learns how to be a spy too and enjoys the thrill of it, but her mom disapproves. Hannah also falls in love with Leo, a boy at her school, who later reveals himself to be the son of a jewel thief that Hannah and her dad helped arrest. Leo tries to kidnap Hannah, but her mom saves her and reveals that she is also a spy. Hannah reunites her parents and hopes to be a happy spy family.
Here are the key facts extracted from the text:
1. Hannah is a 14-year-old girl who lives with her billionaire spy dad and goes on missions with him.
2. Hannah's mom is a former spy who left her dad when she was pregnant and never told him about Hannah.
3. Hannah's mom has a tracker in Hannah's earrings and saves her from Leo, the son of a jewel thief that Hannah and her dad caught.
4. Hannah's mom reunites with her dad after 15 years and they realize they still love each other.
5. Hannah wants to be a part of the family spy business and have a normal life at school.
These are not opinions, but facts that can be derived from the text. I hope this helps. š