Top Secret Group 77 is a group of 22 superior agents who have volunteered for hazardous duties behind enemy lines. This means they are going to be planted as spies in Germany. They are being trained by Robert Sharkey, a spy who was captured twice by the Germans in World War 1. Group 77 are a superior group, but they need to be, with the intense training they have received. Tonight's show begins with two agents, Bill O'Connell and Jeff Lasiter, who have been paired up on an assignment which they have just 72 hours to complete.