reporter: afia wants her voice to be heard.he started performing hip-hop in los angeles, and is continuing in accra with her partner marcus's support. her lyrics are about identity, about being a woman, about being black. ♪ marcus had a bodybuilding career in the u.s. and canada. he stopped for health reasons, but now he's now training again. he wants to qualify for the mister universe contest. marcus: they asked me which country that i wanted to represent, whether i wanted to represent the u.s., or i wanted to represent canada, or ghana. i'm representing ghana this year. and i'm here repatriating, in process ofof getting m my citizenship, so i thought t tht it would be great for me to represent ghana. reporter: elmina castle. a place of terror for west africans. returning to where the trauma of slavery began is a way of marking a new beginning for many african americans. >> this is the door of no return. now, the door of return. reporter: coming here helps them connect with their heritage. marcus can't imagine ever going back