quake hit, and all he knew was best. her town was gone. >> remember, zach had wanted to come home months earlier, but >> literally come hell or high terry and john had encouraged water i was getting into that him to stay, to live up to his damn town. commitment. >> that's where he headed, right >> how much did you beat into that hell, willing to risk yourself up about that? his life to try to save hers. >> fires on the hill, fire on >> i did. the water. >> could he get there in time? >> seemed right then, but now? >> i never loved someone like i >> the helplessness of we're way loved georgia. over here and there's not a thing we can do. >> georgia's family in new zealand including cousin chelsea were just as scared and just as helpless. >> one of my friends got a text >> welcome to "dateline." that said there had been a it's an epic love story, a young massive tsunami in japan. man from small town indiana obviously we all freaked out heads to japan to teach. because georgia was over there. there he meets a beautiful woman from a land nearly as far away >> they turned on the tv and saw and they fall in love. images from noda, the little coastal town where georgia was but soon this young couple finds themselves in the middle of one based. >> it was unrecognizable from of the biggest natural disasters the images she had sent to us. in recent memory, with whole the buildings were destroyed, towns being wiped out, would there was debris everywhere. they survive? >> and georgia, though they here is keith morrison with "swept away." tried and tried, was