The Sudanese/Dutch Mazin (12) is deaf from the day he was born. But now he faces an operation that is supposed to make him hear.Excited about all the new things he might discover, Mazin is looking forward to it. How will a dog sound? And fishes, do they make any noise? But he keeps on having second thoughts. For one of his closest classmates a similar operation turned out to be a disaster. And even if he succeeds, the world as he knows it might never be the same again, he feares. Will he get used to this whole new universe, or will it make him go crazy?