Complex sentence: Based on the Graham Greene novel of the same title, it is set in London in 1944 and 1946 and focuses on Maurice and Sarah, who vows to end their illicit affair if his life is spared in a bombing.
Split into simpler sentences: Based on the Graham Greene novel of the same title, it is set in London in 1944 and 1946 and focuses on Maurice and Sarah. Maurice vows to end their illicit affair if his life is spared in a bombing.