1. Roy and Frank are business partners and friends. Frank takes care of Roy because he understands Roy's mental illness such as tics and obsession. They really seem to be one the same wavelength.
2. When Roy heard that he has a daughter he never had even noticed, he was confused about how to respond to the unexpected circumstance and how to act as her father. However, while spending time with her, he opens his mind to her and loves her sincerely. He experiences good feeling and his illness is getting better gradually by her.
3. Roy lost all his money by Frank. Frank made an elaborate plan in order to deprive him of his fortune. He also went so far as to exploit Roy’s paternal love for a daughter. He took advantage of Roy’s feeling, and his stratagem was succeeded. It turns out that Frank is not a nice co-worker but a subtle con artist, eventually.
4. I was really surprised. I didn’t predict how it’s going to end, so I gaped at the dramatic reversal. I really enjoyed this movie.