The plots of all core Pokemon games:

Kanto -  A child single handedly defeats the Yakuza.

Johto - Oops! The Yakuza are back! Oh, another child single handedly defeats them…

Hoenn - A child single handedly stops environmental destruction caused by a gay couple arguing over how to redecorate.

Sinnoh -  A child single handedly stops a misanthropic edgelord from using time and/or space to destroy the universe and remake it in his own image.

Unova 1.0 - A teenager single handedly defeats PETA.

Unova 2.0 - Oops! PETA’s back! Oh, another teenager single handedly defeats them…

Kalos - A teenager single handedly stops a tall, lion man from committing mass genocide.