Catherine was originally a college student. Her father Robert was a professor of mathematics and was well-known in mathematics. However, since her father suffered from mental illness five years ago, Catherine had to take care of her father and gave up her studies. Just a week ago, Catherine's father passed away. Catherine was in grief for a while. Today is Catherine’s birthday. Her father came to celebrate her birthday. The gift was a bottle of red wine. Catherine picked it up and drank it. After a while, she realized that her father was no longer there. Catherine worried about herself. Do you also suffer from the same mental illness as your father? At this time, his father's student, Hal, came downstairs. He had been in his father's room for the past two days to sort out his father's notes. Although Catherine was very angry, he let Hal go upstairs.
Hal is a very important student of his father. He said he wanted to find inspiration from his father's notes. Catherine suspected that Hal would take his father's notebook and checked his bag. No, I'm sorry. While taking Hal's clothes, the notebook fell off. Hal hurriedly explained to Catherine that there was a paragraph that was very different. It was father's notes, not mathematical formulas. In this way, Catherine agreed that Hal could enter his father's office again. Catherine's sister Claire works in New York. Kelly was engaged to her boyfriend and wanted to bring Catherine to New York. First, she wanted to sell her father’s old house. Second, she was worried that Catherine would be crazy just like her father. So she found Catherine in New York. Apartments. Tomorrow is father's funeral.
In her speech, Catherine came to the stage and told about what her father has been like and what life she has lived in the past five years. In the evening, Claire invited friends to come to the house for a party. Old friends gathered together. Catherine and Hal chatted. The two had a good impression of each other and went to bed. In this way, the relationship between Catherine and Hal grew by leaps and bounds. The next day, just as Claire was about to leave, Catherine gave Hal the key to her father’s study cabinet, and asked Hal to look at the notebook left by her father. Hal was overjoyed. It was a peerless formula. She didn’t expect Catherine to tell Hal and Claire, she wrote this formula.
Both Hal and Claire didn’t believe that Catherine could write such a profound job. At first, Catherine tried to prove that she wrote it, but the more later she didn’t want to think about it. She fell into a trance from time to time, and she suspected that she had stolen her father. As a result, I once remembered that this was my own work. Hal took the notebook to the school and asked the teacher and classmates to keep calculating, only to find that this was Catherine's verification formula. However, at this time Catherine didn't care anymore, followed Claire to the airport, and the house had been sold. At the last moment, Catherine remembered the conversation between her father and herself, and the notebook really belonged to her. So Catherine came back and found Hal, and the search for evidence began again.
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