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.
When young Jo comes home, she finds out that her mothers' husband has been killed. The police investigation points to Maureen, her mother, who is arrested. However, the daughter believes in her mother's innocence so she does all she can to find the true killer.