A Man Called Intrepid is based on the best-selling book by William Stevenson, this 3-Part mini series begins in 1939, just before the outbreak of WWII. With his warnings of Hitler's treachery going ignored, out-of-power politician Winston Churchill (Nigel Stock) approaches patriotic Canadian industrialist Sir William Stephenson (David Niven) with an unusual request. Sir William is asked to use his own funds to secretly organize an Allied espionage network, to be set in motion the moment Hitler shows his hand. Joining in this covert operation is American president Franklin D. Roosevelt, who, risking possible impeachment, encourages Sir William to establish a training base for spies in Ontario. Other concerned parties include the courageous French expatriate Madelaine (Barbara Hershey) and Sir Willi.am's right-hand man Evan Michaelain (Michael York).