Operation Delta Force 4: Deep Fault is the direct to DVD sequel to the popular action franchise, this time out directed by Mark Roper (Orion's Key, Dancing in the Forest, Marines). The elite Delta Force the audience knows and loves, led by Skip Lang (Greg Collins) is dispatched to retrieve a team of geologists who have been kidnapped by sinister agents. The team soon learns that they are in a bit over their heads with this op, as the stakes rise from simple scientist retrieval. If the team doesn't rescue the hostages in time, the entire globe may be destroyed by the ravages of the catastrophic nuclear menace which will be brought about by the completion of Project Zeus. Thus, the men of action must complete their mission as the Doomsday clock ticks and audiences will be gritting their teeth in anticipation at the outcome of the action. Also starring Joe Lara and Justin Williams.