Having moved into a new home Wally and Lil Briggs find their new life a struggle, due to Wally's kid -brother Benny's spending Wally's wages rather than earn any of his own.
Lil is angry about husband Wally's proposal that his younger brother move in with them, as a non-paying guest. Will Lil put her foot down or will brotherly love have its way?
Benny causes problems when he borrows Lil's TV set and lets loose wires trail, this causes Lil to trip and hurt herself. Bed-ridden Lil punishes Benny by making him clean up the house. But Benny wonder's after a while if Lil is faking.
Benny invites Wally and Lil to an expensive restaurant to celebrate his engagement to Molly his buxom girlfriend. Wally as ever the mug ends up opening up his wallet and paying for the meal himself.
Lil is delighted that Benny will decorate her bedroom for a bargain price.Shocked at seeing how little work, lazy Benny has done after the first day, she fires him. This is something she will bitterly regret.
When Benny and Molly are stranded in a thick fog, they seek refuge in Lil and Wally's house, an angry Lil allows them to stay the night, but is determined to teach Wally's idle brother a hard lesson.
When Lil's young nephew Jimmy comes to stay he brings a wide variety of his small pets with him. Benny and Wally have a golden opportunity to play all sorts of school-boy pranks on a terrified Lil.
Young Jimmy is still staying in the Briggs household. While struggling with his school homework Wally and Benny offer to lend him a hand, their pitiful academic efforts cause Lil and Jimmy much amusement.
Wally is not normally the jealous type but when wife Lil takes up her long forgotten hobby of old time dancing, Wally becomes suspicious of Lil's handsome dance partner Norman.
After a string of heavy losses at the local dog racing track, Benny and Wally finally score a big win on a greyhound called 'Blackjack'. Wally ends up buying Blackjack much to an angry Lil's dismay.
Lil finds her old bed uncomfortable while Wally couldn't care less.Ever on the look out for easy cash, Benny invites them both to inspect the dodgy beds at his con-man friends, furniture warehouse.
Sick of having Benny sponge on her and Wally, Lil's hopes rise when she hears that one of Benny's old flames Carole has divorced. Knowing the wealthy Carole can satisfy Benny's monetary needs far better than they, Lil plays eager matchmaker.
As ever fed up of the lazy, work-shy Benny,a very disgruntled Lil downs tools and dishes out sandwiches to both Wally and Benny, as both men have gargantuan appetites Benny soon takes the hint and looks for work.
Lily wants a big freezer, Benny pleases her by selling her one at a cheap price. Unknown to Lil, Benny and his crook friend are selling freezers on commission, the freezer is soon faulty and Benny feels the rage of his sister-in-law.
Lily wants to take out an insurance policy on Wally. As Wally is adamant he does not want one taken out, Lil is forced to try taking the policy out in secret. Brother-in-law Benny soon proposes a shady plan for her to obtain one.
Lil's nephew, young, Jimmy stops-over during a fishing trip, Wally proclaiming himself an expert angler interferes and causes mayhem at the river-side.
Lil and Wally should have seen enough of lazy brother, Benny by now. But Benny and his busty, girlfriend, Molly, con both Wally and Lil to go to a Spanish holiday with them. Wally ends up footing the bill for the holiday as usual of course.