Every time Janne is busy with her very secret "big sister private stuff," her little brother Emil barges into the room. Typical! Her friend Philine has it much better, as she doesn't have a brother hanging around at home. And on top of that, she has a dog! Janne's biggest wish! That's why she is immediately thrilled when she gets to host the beloved dachshund lady Trinchen. If only Emil didn't have his panicked fear of dogs...