In the year 3013, humanity has been genetically engineered to stop aging at 25 and to be born with a digital clock, bearing a year’s worth of time, on their forearm. At the age of 25 the clock begins counting down; when it reaches zero, that person dies.
Time has been turned into the universal currency; one can give time for products or services, as well as transfer it to others.
A person can no longer die of old age. S/he can only die by “timing out” (running out of time), having one’s clock “cleaned” (murder by someone taking all their time), or through recklessness (e.g. getting shot, overdosing, etc.)…