Murphy is the sole survivor of his crew, that has been massacred by a German U-Boat in the closing days of World War II. He is rescued, and ends up at a forgotten mission station near the mouth of the Orinoco, and begins to plot his vengeance. He wishes to sink the U-Boat by means of any method imaginable to him, and sets about to make the courageous attempt, assisted by Louis, the administrator of the local oil company.

Comedian and history buff Al Murray is joined by historian Dan Snow, writer Natalie Haynes and broadcaster and film expert Matthew Sweet for a fresh look at a subject very close to his heart - the great British war movie. This roundtable discussion looks at both the films themselves, from A Bridge too Far to Zulu, and uses them as a lens on British history, cultural attitudes and our changing views on conflict over the decades.