Icebound, Chapter Four: Run for Daylight - Airtight and Lifeline discover a way out of the Coldfire Laboratory, but it requires disabling the electric lock, and leaving the doors open. The Joe team is able trick the creatures into areas where they are trapped and are unable to escape from he laboratory. Duke and his team then escape from the laboratory with all alive plus the civilian Chuck Trellice. Lifeline is not infected.