Becky is used to her young daughter asking tricky questions, but lately Lilly has become fascinated by one in particular - why she doesn't have a father. And Becky realises that it's not a subject she can ignore for much longer.What Becky remembers about Lilly's dad would fit on a Post-it: his name is Dennis, he's a successful property developer - and he doesn't know he has a daughter. And when she finally locates him, he's not at all what she expected.Dennis might not be everyone's idea of the perfect dad. But as Becky gets to know him, she begins to wonder if she was wrong not to let him into Lilly's life before now. And she can't help but think about her own family, the people she left far behind.Is it ever too late to change your mind, and welcome someone from your past into your present?