A hungry cat gets a job hunting mice at a sumo training center, but once the mice are gone he continues to stuff himself until he is too fat to chase the mice that have returned--so he decides to train with the sumo wrestlers, and SumoKitty becomes a scourge of mice and an inspiration to the wrestlers.

A story for anyone who has ever felt like a beginner, or had doubts, or worried they weren't good enough. It's a story for those who have experienced the pain of trying something new and not having it turn out as they had hoped. But failure challenges us to be brave, to take heart, and to try again. An old sculptor encourages a young boy to try sculpting something for himself while teaching him about overcoming failure.