Horror set on an isolated North Sea oil rig that is taken over by strange and savage creatures. Dr Christine Hansen (Saskia Gould) is sent to the rig to take charge of the testing of an experimental cleaning fluid that many believe could change the way the oil industry operates. However, a group of environmental protestors led by Mickey Hennessey (Conrad Whitaker) aren't so enthusiastic about the experiment. They board the rig and take the crew hostage but are too late to prevent the beginning of the tests. Soon protestors and crew alike are fighting desperately for survival as a fearsome new life form makes its presence felt...
