Young bachelor Terry Scott lives with his mother at 33 Lobelia Avenue in Tooting. He passes his days dreaming of easy wealth - no hard work required.

Simpleton Hugh Lloyd is their lodger. When he's not hard at work at the local aircraft factory, he whiles away his free time getting haplessly roped into Hugh's get-rich-quick schemes.

This sitcom sees the unlikely twosome encounter all sorts of scrapes and mishaps as bully boy Terry pursues wealth and glory, with the kind but dim-witted Hugh trailing along behind.