North Yorkshire, 1950s. With a newly installed telephone and a car called Betsy to aid his fledgling business, Matthew Taylor continues his work for Premier Assurance in the wild landscape of the North York Moors. Matthew's customers include a newcomer who needs insurance for his model airplanes because he can't tell left from right, and a man whose water closet is demolished by a stolen car! He also attracts a motley collection of clients at his `office' outside a local pub on market day...not forgetting Crocky Morris, the much-loved, accident-prone peddler...