East Africa, 1975. The dictator Idi Amin's reign of terror in Uganda is faltering. In a bid to pacify his increasingly mutinous army, he attacks neighbouring Tanzania. His brutal invasion meets little resistance except for one small group of highly-trained British soldiers. However, these were no ordinary soldiers: they were eight men of the legendary Special Boat Squadron.
Fighting on the shores of Lake Victoria with only an Mi6 spook for company, the SBS team are charged with blunting the attack of East Africa's strongest military force, knowing that if they are caught, their government will deny any knowledge of their mission.