andrew thomas met peter greste's parents in sydney to find out how they are coping. >> reporter: theast time peter greste was in sydney was in september last year, when he was reporting on the australian election. now his parents have traveled from their home in brisbane. over the course of the year, you have become campaigners, haven't you? how has it been? >> tough. really tough. you know, it's a constant thing all the time. >> we really haven't had another life this year. it has been complain from morning until night. >> reporter: did you ever envision that peter and his colleagues would be in prison for 300 days? >> no, no, absolutely not. it's been 300 days too long. >> reporter: there have been some pretty dark moments along the way, i can imagine. what were the darkest? >> clearly the darkest was the day of the sentence. it still remains my memory as an awful, awful nightmare. >> one of the other darkest days was seeing him first time in whites. >> in the cage. >> in the cage. >> that even pains me today. >> reporter: you spent two months in egypt immediately after the verdict