Allison Scott is an up-and-coming entertainment journalist whose 24-year-old life is on the fast track. But it gets seriously derailed when a drunken one-nighter with slacker Ben Stone results in an unwanted pregnancy. But they discover more about one another, it becomes painfully obvious that they're not the soul mates they'd hoped they might be. Should they raise the baby together? What makes a happy lifetime partnership after all? A couple of drinks and one wild night later, they've got nine confusing months to figure it out.