Long-burning fuses come to a head in the pressure cooker of the West Texas oilfields. In last place, Driller Justin is reaching his boiling point trying to train his difficult rookie, Derek. The young, inexperienced crew of the Longhorn rig must deal with a poisonous, and deadly, gas leak. And just when things start looking good for the high-tech Viking rig, Wayne and his crew face a crisis that could destroy their well.