When her eccentric Auntie Claus leaves for her annual business trip, Sophie stows away in her luggage, travels with her to the North Pole, and discovers that her aunt is really Santa's sister and helper.
When Chris expresses doubt about the existence of Santa Claus, his older sister Sophie reveals that their aunt is really Santa's sister and helper and then sends him on a strange journey.
In this version of the familiar nineteenth-century poem, the illustrations depict Santa Claus and his elves following a star to the home of two children who eagerly await their visit.