Rachel is a teacher who enjoys her work, her friends, and even her ex, until she falls in love with Ali and becomes deeply attached to his four-year-old daughter, Leila. She treats the girl as if she were her own child, even though she knows Leila's mother will always come first. As the years and her thirties weigh on her, Rachel begins to feel the absence of a child of her own and wonders whether it is too late to change her life.