The 8-year-old Ahmet has to deal with his mixed feelings after welcoming a new brother in his loving, well-functioning family. Besides his jealousy, there are many strange things that happen in the everyday life with a baby which alienate him and make him reach his limits. When one day he has to take care of the little one, he is challenged a lot and decides for himself that he now has to grow up and change his role. It’s not all about himself, but this little one is a part of his family now and therefore also a part of him. By overcoming his biggest challenge, changing a diaper, he fulfills his own decision to become a man.