Max enjoys a busy day at school.

Max and his big sister Ruby disagree about which of their toys to invite to Grandma's birthday party.

On a shopping trip to the department store, Max's determination to get a dragon shirt leads him away from his distracted sister and into trouble.

When Max discovers that the lunch he's been looking forward to is missing, he and Ruby embark on a search for it.

Max makes an earthworm cake for Grandma's birthday and help Ruby with her angel surprise cake. At the store, the grocer can't read all of the shopping list, until Max solves the problem by drawing a picture.