Bill smiled. "He's the son of one of my friends."

"Oh, right." Kylie understood within a second.

In the show, the role Ben was going to play was an autistic child called Peter. Peter seldom talked and ached for his parents' company.

Ben's character was very like Peter in the show.

However, Peter's mother gave up her favorite job to take care of Peter afterward, and Peter was getting better and better day by day.

In the end, he sang a song to help his parents get back together, which ...