After Mrs. Slocombe starts dropping hints that it's her birthday, the staff calculate that she is 50 and plan an appropriate party.

The staff prevent another firm's hostile takeover of Grace Brothers by impersonating the shareholders. Mr. Harman gives a rousing speech, and Grace Brothers is saved.

Young Mr. Grace invites his workers to form a social club - in a dismal cellar badly in need of decoration. Undeterred, the staff tackle the paint and paper job with vigor.