At the World Championships, all eyes are on Simone. But as she looks toward Paris, experiences from the past are shaping how she thinks about the future.

As Paris approaches, Simone turns 27 and confronts the realities of aging as a gymnast — and the risk of injury — in a sport that's long celebrated youth.

Simone enters her third Olympics with two big goals: to win team gold and to reclaim her title as all-around champion. But will she rise to the occasion?