Sequel of the astonishingly popular 2013 film. Mr. Müller is not satisfied with his new work at the Goethe-Gesamtschule. The early getting up and correcting exams annoy him. Director Gerster wants to improve the image of the Goethe-Gesamtschule because she wants to be a symbol of the new company. To achieve this, she wants to take away the partnership from the Schillergymnasium with a Thai school. So, Mr. Müller, Mrs. Schnabelstedt and the 10b must go on a school trip to Thailand.