Every year, a bunch of grasshoppers come to the anthill and eat what the ants have gathered for them. The "offering", as the ants call the ritual, is a part of their fate. One day in spring, when the offering's preparation has just been finished, Flik, unliked inventor ant, accidentally drops the whole offered seeds into the river. The grasshoppers come and give the ants a second chance to collect food until fall. Flik sets off to find bugs that are...

An inventive ant name Flik hires "warrior bugs" to defend his colony from a horde of freeloading grasshoppers, led by Hopper.