When journalist Michael Wilde is commissioned to write a feature about a remote research station deep in the frozen beauty of Antarctica he is prepared for some extraordinary sights. But on a diving expedition in the polar sea he comes across something so extraordinary to be almost unbelievable - a man and woman chained together, deep in the ice. The doomed lovers are brought to the surface but as the ice begins to thaw the scientists discover the unusual contents of the bottles buried behind the pair, and realise they are all in terrible danger...