A squad of British soldiers on training in the lonesome Scottish wilderness find a wounded Special Forces captain and the remains of his team. As they encounter zoologist ...

After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find t ...

A group of elite soldiers sent to infiltrate and extract the lead science team from Pine Gap, Australia's top secret underground military compound, after it comes under a ...