When the Duke's Army lays siege to Letty's current home, the timid dragon has no choice but to turn his castle into a fortress! Luckily, during his adventures Letty has made many friends allies who are willing to come to his aid! Together they set up traps that trick the Duke and his soldiers. But when the chips are down and Letty has to step up, will he be brave enough to defend his precious friends? The final volume of Dragon Goes House Hunting!