The "Today" co-anchor shares the inspiring stories of people who found their life's purpose in unexpected ways, from a Wall Street investment banker-turned-minister to a blue-collar woman who attended Harvard Medical School.

Introduction -- Michelle Hauser -- Laila Ali -- Craig and Kathi Juntunen -- Mark Burnett and Roma Downey -- Neshama Abraham and Zev Paiss -- Margaret Cho -- Lindley Degarmo and Sarah Finlayson -- Conclusion -- Acknowledgments.