Complex sentence: The story is set in Korea during the Korean War in 1950, soldiers from both the North and South, as well as an American pilot find themselves in a secluded and naïvely idealistic village, its residents unaware of the outside circumstances, including the war.
Split into simpler sentences: The story is set in Korea during the Korean War in 1950. Soldiers from both the North and South, as well as an American pilot, find themselves in a secluded and naively idealistic village, its residents unaware of the outside world, including the war.