One night the world changed... It was not known how and why it happened, but out of nowhere letters with strange symbols began to fall from the sky in droves, they seemed normal but they hid something else, it was not only in the central city but also because everyone! After that we realized that they were hiding these cards, apparently beings called bakugans lived in these, these pocket beasts could be your life friend or use them for battles against other bakugan fighters!