All is Fair is set in the early 20th century at the beginning of WWI. The story follows the lives of The wealthy Theodore Darcy, his wife of an arranged marriage, Alice Kent, and Alice's brother, Henry Kent. The reader will follow Theodore and Alice's feelings as Theodore announces his discomfort in their marriage. His discomfort is amplified by the arrival of Alice's newly drafted, very attractive brother, Henry. Alice, still denies anything is wrong and we follow her and her husband as they stumble their way through their lives.