Oldmen Rule

In a not-too-distant society, digital shelf-life indicators are commonplace. But the luminous little helpers are not only used for goods as indicators that their time has passed. When Mark finally visits his grandmother again, he tries to persuade her to go to the doctor. After all, her bracelet is already suspiciously red; and in general she doesn't seem to be able to remember anything anymore. But the old woman vehemently denies it... Time for Mark to dig a little deeper into his bag of tricks.