A British physician stands trial for murdering his wife after he and his mistress are captured while fleeing to Canada.

American housewife Cathy Palmer loses her memory on a trip to Paris after being hit by a car. She wakes up in the hospital believing she's the fictional international spy, Rebecca Ryan.

Mame Dennis, a progressive and independent woman of the 1920s, is left to care for her nephew Patrick after his wealthy father dies. Conflict ensues when the executor of the father's estate objects to the aunt's lifestyle and tries to force her to send Patrick to prep school.

80-year-old Alice Hargreaves is about to visit Columbia University to attend a reception in honour of author Lewis Carroll. As a child, Alice's close friendship with the writer was the creative catalyst for Carroll's most beloved work. However, as Alice reflects on her experiences with the author, she slowly realises the complexity of their bond has had lasting, deeply felt ramifications.