The Twilight Wife is a quick and exciting thriller about Kyra Winthrop, who lost her memory of the last four years as the result of a diving accident. She can't remember falling in love with her doting husband, moving to the island where they live together or the places and people around her. But as bits of her memory begin to come back to her, she realizes that something about her "perfect" life is off, and she struggles to figure out what it is.