A young woman has a small son. He is only 5 years old. Mum sometimes takes him to work to the local hospital. She is a surgeon. She always puts on a surgical coat and a hat, shoe covers, sterile gloves and a face mask.
It is summer. Holiday time! The family of seven are going to visit their grandma. They are traveling by train. There are five girls in this family. The smallest one is Nell. She is just about three years old.