Lena buys DNA testing kits for her father, Tom, and her twin sister, Alison, hoping to uncover their ancestral roots. However, the results reveal a family secret: Tom isn't their biological father, as he and his late wife used a sperm donor. This revelation shakes the family dynamics, with Tom fearing rejection and striving to maintain his bond with his daughters. While Alison remains unfazed, viewing Tom as her true father, Lena becomes determined to find their biological father. Her quest leads her to discover a half-brother, an actor with a social media presence, sparking a new obsession. The story explores themes of identity, family, and the complexities of donor conception with humor and emotional depth.

The 17010th greatest book of all time