September 24, 1943 - January 9, 1944 Tom and Terry join Norm in a Z-force covert mission to contact an allied coast-watcher secreted on a Pacific island. Upon their return Terry finds that Caroline has changed. Dave hires a young ambitious new assistant at the office to share the workload. Norm’s intelligence work brings some surprising news to the Sullivans and Grace has to risk a flight to London leaving her family.