Answer:
Hans Brinker and his younger sister participates in a Skating race whose winning prize is pair of silver skates. The belonged to a poor family and they did not had money to buy new skates for the competition. Hans has saved some money so he took those money out of the saving box to buy new skates but since his father is having some mental disorder the doctor asks for an immediate surgery. Hans gives all he has to the doctor and leaves the wish to buy new skates aside. Doctor is so inspired by this act of little child and so he plans to do his dad's surgery for free and returns money to Hans. The group of children who are taking part in the competition goes for a multi day skating journey. There Hans see a little hole from where water was flowing. Hans put his finger in the diike and he saves the city from big flood.