freer's greatest macgyver episode happened when she crossed paths with joe and liz hughes.untaineers, the couple met while climbing a mountain in south africa. -- south america. although deny it was "love at first height." >> no. it was friendship -- >> yes. >> it was a kindred spirit. you're doing something that's very dangerous. we watched out for each other. >> reporter: both were experienced climbers. they felt like they were destined to be together, though it also seemed they would never hear little footsteps behind them. >> you didn't even think you could get pregnant -- >> no, it wasn't supposed to be in the cards for me. >> repter: but conquering mt. everest was, and the couple vowed to do it as a team. >> it can be the most incredible experience but it -- it's also a killer. people die there. >> yes. >> were you fully aware of the risks? did it make you give -- give it a second thought at all? >> of course, there's always, y but i was up for the challenge and i was ready to do it. >> you gamed the risks and figured out this -- >> exactly. >> is worth the risk? >> i