Koen Claassens (44), is a happy real estate agent who shares his life with his wife Fransien (40) and their child Roy (8). When Koen pays a visit to his house doctor for routine check up, the doctor makes a disturbing discovery. Koen is not happy. Koen resists, but the technical equipment of the doctor is relentless. He can simply tell by the data from the scanner and 'the numbers tell the tale'. Koen has some serious work to do. Will he succeed in achieving the perfect score for happiness?