Plot Synopsis

In futuristic smog-choked city, where breathable air is obtainable via a shafts that are high in the atmosphere. These passages are kept functioning by an elite group of ''tunnel hunters''. The team must stop a ruthless syndicate boss who is determined to monopolize the crippled city's supply of fresh air. The squad leader will stop a nothing to avenge his father's death who was killed by the odious mobster.