The roughnecks have only three days left to finish the final hole when all hell breaks loose. Two of the most troubled roughnecks swap shifts; one of the most experienced hands takes a pipe spinner to the head and is rushed to the hospital; and an unscheduled drug test sends panic through one roughneck's veins. As if that isn’t enough, rig owners lose confidence and contemplate handing out pink slips.

Source: TruTv