In a dystopian future, a large number of extraordinary agents are entrusted with averting the breakdown of society. These agents, known as "travelers", have their consciousnesses sent back in time and moved into the host bodies of present-day people who might somehow or another be minutes from death, to limit unforeseen effect on the course of events. The exchange requires the accurate area of the objective, made conceivable by twenty-first century advanced cells and GPS giving time, rise, scope, and longitude (TELL) facilitates that are documented for use later on...