In near-future Brazil, those who turn 20 years old can partake in a selection process which allows 3% of the participants to join a privileged society. This process contains many tasks which depend on varying degrees of intellect, strategy and teamwork. For each task, participants who fail the task in one way or another are eliminated, stripped of the opportunity to become part of this society, and have to return to living in varying degrees of poverty compared to the society they wish to join.
Technology play a big role in this series. There are many examples of referenced technology, such as: videocommunication, non-visual body scans, implants that function as a marker of one’s identity, and many instances of surveillance footage. Several of these technologies show evidence of tampering, such as altered surveillance footage and implants that show a false identity when scanned.