Mr Tau travels with Karlotta to the world of a fantasy novel so she can prove herself as a heroine. Once there, Karlotta is mistaken for the missing princess from the kingdom, trapping her in the book.

When Karlotta is trapped in the world of a fantasy book, Pan Tau transports her brother to the magical world. After all, he is the only one who can save her. However, Karlotta must marry the prince of Fredonia.

Kat is new to school and looking for a friend. Pan Tau brings her and Sarabel together. Kat would actually prefer to hang out with the popular influencers at school, but they are trying to ruin her father's singing career.

Sarabel invents a dog walking machine for a competition. It is only missing a few more little things and then she can test it out with Pan Tau. Unfortunately, these tests are not really successful.

Marc and Tim are irritated that their parents never have time for them. Marc secretly starts renovating the restaurant in order to save their holiday. Through Pan Tau's magic, he is able to turn the restaurant into an adventure paradise.

Tim wants to spend a quiet weekend on his grandfather's farm, but he is soon taken in as a farmer. Tim tries to look after the farm animals and sell produce at the farmers' market with the help of Pan Tau.