the real paul fronczak. i didn't even know my birthday. where i was born. >> reporter: and if you can believe it, that's really just the beginning. cnn films "the lost sons" is narrated by paul fronczak himself. opening doors and raising deep questions for all of us about what identity really means. >> a strange but true story. "lost sons" premieres tomorrow at 9:00 p.m. on cnn. thanks for joining us this morning, "smerconish" is next. quick program note, highlighting people making a better place. cnn anchors for a special night. immigrants enrich our country and they're proving it. >> sharing stories of changemakers.