A group of workers on a remote Scottish oil rig are due to return to the mainland when a mysterious fog enshrouds them and supernatural forces take hold.
When the crew of the Kishorn Bravo oil rig, stationed off the Scottish coast, is due to return to the mainland, a mysterious and all-enveloping fog rolls through and they find themselves cut off from all communication with the outside world. As the rig is hit by massive tremors, the crew endeavor to discover what’s driving the unknown force. But a major accident forces them to ask questions about who they can really trust.

คนงานกลุ่มหนึ่งในแท่นขุดเจาะน้ำมันอันห่างไกลของสกอตแลนด์มีกำหนดเดินทางกลับแผ่นดินใหญ่เมื่อหมอกลึกลับปกคลุมพวกเขาและพลังเหนือธรรมชาติเข้าครอบงำ