After blowing all their money on the two demonstrators, Bob and Terry have to come up with ways of paying for their planned holiday.

While they await the start of a mate's stag night, Terry and Bob are pleased to see Duggie, an old friend who is now married with a baby. Taking pity on his lack of a social life, they keep him in the pub and get him drunk. At the same time they conclude that married life really does put a crimp in your happiness ...