Dr. Brücke's intentions become clearer as he puts his theories about the Langford discovery to the test. As the ring's potential is revealed, Brücke decides to kidnap Professor Langford as Catherine is held hostage by one of his loyal soldiers.

The team's travels bring them into dangerous territory, and Catherine discovers that getting home won't be as easy as she thought. Matters are complicated when two new faces present themselves, but could one be a potential ally?