Major Reisman is "volunteered" to lead another mission using convicted army soldiers, sentenced to either death or long prison terms. This time their mission is to kill a Nazi general who plans to assassinate Hitler.

When a trio of ex-convicts led by Mattie Appleyard is released from prison, they hope to open a general store using money Mattie has saved during his 40-year sentence. This attempt is met with great resistance from a corrupt prison official and the banker who issued Mattie the check.

At the onset of World War II, American Lt. Col. Robert Frederick is put in charge of a unit called the 1st Special Service Force, composed of elite Canadian commandos and undisciplined American soldiers. With Maj. Alan Crown leading the Canadians and Maj. Cliff Bricker the acting head of the American contingent, there is initial tension -- but the team comes together when given a daunting mission that few would dare to attempt.

A German spy is passing on information about the location of Allied ships in the neutral harbor of Goa, India, with catastrophic results. Unable to undertake a full military operation in the Portuguese stronghold, English intelligence brings out of retirement a crew of geriatric ex-soldiers, veterans from World War I, using their age as cover. These old soldiers are asked to take to the seas and pull off an unlikely undercover mission.