"Lie Detector" is a psychological project. Its heroes are people who want to be heard. But for a number of reasons, no one trusts their truth. Only on "Lie Detector" and with the help of a polygraph will it be found out who can be trusted. Every honest answer to difficult, and sometimes unpleasant, questions has its price. But the truth is worth it. If the participants are frank to the end, they will receive a cash reward of 100,000 hryvnia.