Mörkret har lagt sig och den konstgjorda solen orkar inte värma upp planetens yta tillräckligt för liv att frodas. Guache arbetar som sändebud, och får ett sista svårt uppdrag innan han ska befodras.
   
   Meeting Sylvette SuedeLag almost breaks the record time on his Letter Bee test, securing a job as a Letter Bee! But his celebration ends with unwelcome news: the record holder, Gauche Suede, is no longer a Letter Bee! Shocked, Lag seeks out Gauche's little sister Sylvette to learn exactly what happened. But Sylvette has no answers, only memories and a broken heart. Gauche would never abandon his sister like that! Could it be he lost his heart...or his life?!