How can a woman learn to let go of the people she loves the most? Karen Neulander, a successful New York political consultant and single mother, has always been fiercely protective of her son, Jacob, now six. She's had to be: when Jacob's father, Dave, found out Karen was pregnant and made it clear that fatherhood wasn't in his plans, Karen walked out of the relationship, never telling Dave her intention was to raise their child alone. But now...