Jenny Heijun Wills was born in Korea and adopted as an infant into a white family in small-town Canada. In her late twenties, she reconnected with her first family and returned to Seoul where she spent four months getting to know other adoptees, as well as her Korean mother, father, siblings, and extended family. Delving into gender, class, racial, and ethnic complexities, as well as into the complex relationships between Korean women—sisters, mothers and daughters, grandmothers and grandchildren, aunts and nieces—Older Sister. Not Necessarily Related. describes in visceral, lyrical prose the painful ripple effects that follow a child's removal from a family, and the rewards that can flow from both struggle and forgiveness.