A possible concise summary is:
Juan David sues his mother María Inés for his documents and a restraining order. He discovers that his biological father was the murderer of his grandfather, and that they are living in the house of Sandra, the daughter of the killer. María Inés explains that she kept the secret to protect him from trauma and that she came to the US for his father's health. Sandra reveals that Juan David is her half brother. Dr. Polo grants Juan David's demand, but advises him to seek help and talk to Sandra.
Here are the key facts extracted from the text:
1. Juan David is suing his mother for his documents and a restraining order.
2. They come from Venezuela, where they faced economic instability.
3. Juan David's father suffers from Parkinson's, diabetes, and hypertension.
4. They moved to the United States because a friend promised to help with his father's Parkinson's.
5. Juan David has never had privacy or his own room.
6. The family lived in various temporary homes in Venezuela.
7. Juan David's grandfather was murdered by his mother's boyfriend 22 years ago.
8. The boyfriend committed suicide in prison.
9. Juan David's grandmother died when he was seven, which he attributes to the loss of her husband.
10. They are currently living in the house of the daughter of his grandfather's murderer.
11. Juan David is 21 years old.
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