Living in one of the best parts of Hampstead, the charming and highly respected Winter family, father is both a J.P. and a Churchwarden, follow with consummate artistry and sill, their chosen profession.

Large-scale jewel robbery, pick-pocketing at the Opera, and forging bank notes keep the family united and happy. It is only when the son falls in love with the daughter of the Police Commissioner, and decides to become a bank clerk and go straight, to the horror and chagrin of the rest of the family, that the fun really starts