Six Lying University Students

The setting is a recruitment examination for an IT company, there are six finalists who are given the task to build a team and hold a discussion in one month's time. So, they deepen their interaction with each other so that all to receive offers. But soon they will find that the assignment has been changed and there will be only one succeosor.
6 envelopes are found in the discussion room which contain accusations of the "crimes" of each of the six. Who is the liar? The ultimate psychological battle begins.