Thrown from a moving train by robbers she resisted, Arunima Sinha lay on the tracks through the night as 49 trains roared past, her leg crushed below the knee. That devastating night became the birthplace of one of the most astonishing comebacks in athletic history.

This episode follows the former national volleyball player from a hospital bed, where authorities questioned her account, to becoming the first female amputee to summit Mount Everest and, eventually, the highest peak on every continent.

• Surviving the assault and the institutional victim-blaming that followed
• Deciding to climb Everest as a reclamation of her own narrative
• Mentorship from Bachendri Pal and the biomechanics of a prosthetic climb
• The 17-hour final push and the summit on May 21, 2013
• The Seven Summits and a free academy for  ...