When a law-abiding demolition expert is duped by a gang of criminals into helping them he is caught and jailed. When he is released he goes straight and then notices a leading citizen in his town is cheating his neighbours.

Middle-aged businesswoman Paula Tessier rejects the advances of her client's amusing 25-year-old son, Philip Van der Besh, but reconsiders when her longtime philandering partner begins yet another casual affair with a younger woman. She soon learns that May-December romances with older women are frowned upon in society.

Dickie Dreadnought is the boxing-mad nephew of pious clergyman Reverend Sydney Mullet. To mollify his disapproving uncle, Dickie embarks on an elaborate plan to keep his budding boxing career a secret, with he and his tough-talking promoter Wally Burton both pretending to be devout 'men of the cloth'.