A group of volunteers find themselves fighting for their lives when a drug trial goes horribly wrong.

Juvenile delinquents are sent to a small British island after a fellow prisoner’s death, where they must fight for survival.

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 themselves pursued by…

Mercer’s brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed…