Sebastian Snail has just finished decorating his hall. After he has scrubbed his shell clean, he decides he has done a magnificent job, and ought to advertise his services and good taste to others who would like to transform their homes. What he fails to realise is that his hall only looks fantastic because of all the hard work his butler Snodgrass Hopper has put in, while Sebastian is soaking in a nice bubbly bath. With his oldest and best friend, Caruthers Caterpillar, in tow, the over-confident snail starts another job that could land them in big - and expensive - trouble.