Detectives look to untangle the case of the Ragdoll Killer, who has killed six people and sewn their bodies into the shape of one grotesque body nicknamed the Ragdoll.

After losing contact with its researchers on a remote island, a military corporation hires a group of scientists and soldiers to find out what went wrong. But when they arrive, the team quickly discovers that the weapons testing performed on the island has unleashed and powerful and deadly entity that will stop at nothing to destroy them all.