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.

While guiding a hunting party of clueless European aristocrats, cowboy Bosky Fulton leads them into hostile Apache territory. Becoming separated from the group, Countess Irina Lazaar experiences the first run-in with an Apache, which results in the tracker Shalako coming to her rescue. Despite Shalako's warning to leave the area immediately, the pampered foreigners fail to take him seriously, leaving them in grave danger.

A trooper with the British Special Air Service (SAS) infiltrates a radical political group who are planning a terrorist operation against American dignitaries. A glamourized look at the methods and tactics of the famed British anti-terrorist squad.The SAS are a elite army unit which as well as its Anti terrorist role also performs covert and overt training of friendly countries armed forces and operates enemy lines

A British multinational company seeks to overthrow a vicious dictator in central Africa. It hires a band of (largely aged) mercenaries in London and sends them in to save the virtuous but imprisoned opposition leader who is also critically ill and due for execution. Just when the team has performed a perfect rescue, the multinational does a deal with the vicious dictator leaving the mercenary band to escape under their own steam and exact revenge.