Raised by a hard-working single mother, young Sita (Yenthe Bos) feels like nobody ever has time for her. She finds refuge at school with her teacher, Mr. Frans (Jeroen Spitzenberger), until one day he turns into a frog. With Mr. Frans' job on the line, Sita and her best friend Wouter must work together and do everything they can to make things right and get their favorite teacher back.