Grandpa is staying over for a few days because Mummy is expecting to give birth to baby Anna very soon. During this time, Alex becomes flabbergasted when he discovers that Grandpa is a real live superhero.
Alex then helps Grandpa on his superhero duties of saving people and animals.
The very next day, his sister Anna is born and later Alex learns that he too is a real live superhero.
Read this story to find out how you can become a superhero too.