bruna's new husband has already filed for custody of sean, and bruna's relatives wouldn't let david see sean. he made a desperate public plea for help. >> how can it be possible that a nonblood person could take my child? who could help me? who can help? >> his plea would prompt a rapid groundswell of support. his story, infuriating parents and politicians alike. but for sean, the young boy at the center of it all, it was just an overwhelming swirl of turmoil and painful confusion. did you want to leave? >> i had mixed feelings. >> coming up, the child in the eye of the media storm. what do you remember about that day? and why his father says the boy who came home was not the boy who >>> for 4 1/2 long years, david goldman was a dejected figure of loneliness, canoeing on the river behind his house, his son's empty seat a painful reminder of what had been happier times. he kept his son's bedroom frozen in time little things all exactly the way he'd left them. sean was now 8 years old, living nearly 5,000 miles away, on another continent. you were living in many ways a nice life. you had