A young man who received letters from his birth mother longs to know the truth of the words she wrote, a man haunted by the memory of his younger brother being taken from their home seeks to reunite the family.

Lisa meets a woman who was left on a curb by her mother when she was just four years old; Chris uncovers stunning information for a woman searching for her family that leads to an unexpected reunion.

A man who always longed for a sibling stumbles upon a shocking family murder; Lisa meets a woman eager to find her biological mother, but she also finds information that changes her view of the past.

A woman longs to meet her birth father, a man she credits for saving her life during a difficult childhood, even though they never met; a desperate man hopes Lisa can end a 57-year search for his infant sister, who he never stopped loving.

Siblings searching for their sperm donor father have their worlds turned upside down when Lisa reveals shocking news. Chris embarks on the journey of a lifetime: to find the family of a woman abandoned as a baby on an Amish family's porch.

Siblings searching for their sperm donor father have their worlds turned upside down when Lisa reveals shocking news. Chris embarks on the journey of a lifetime: to find the family of a woman abandoned as a baby on an Amish family's porch.