currents, 200,000 strokes, 60 hours. she had a shark cage built, headed to cuba and launched from a beach surrounded by press, despite grave concerns. >> and i remember i got down to the shore with my six handlers and i have a picture of the six of us looking bewildered. we're looking out at a raging sea of whitecaps. >> her navigator promised calmer seas just offshore. but instead, diana battled waves for almost eight hours. hopefully off course and ravaged by bites, they pulled her from the water. >> it was very rough. you can ask anybody. >> diana's dream was dashed and her heart was broken. >> i had never had summoned so much willpower. i've never wanted anything so badly. and i never tried so hard.