Dahlia Slug, who is from Mexico, has a shell-house on her back, the same as her snail cousins. But Dahlia and her slug relatives grow lazy, and no longer want to carry their houses on their backs. Dame Nature decides to take away Dahlia’s house because she doesn’t appreciate it. She also takes away all the houses from all the slugs. The caterpillars laugh at Dahlia’s appearance. Soon, the slugs might appreciate what they have lost.