Hermux Tantamoq is an ordinary, hard-working mouse, living in an ordinary metropolis. But when adventuress and aviatrix Linka Perflinger walks into his watchmaker"s shop, his life becomes anything but ordinary. Linka disappears very mysteriously and Hermux, more than a little in love with her, sets out to find her. Adventures and dangers follow as he uncovers a quest for the formula for eternal youth.