Tom's day brightens when he learns his favourite actress is in town visiting relatives. A woman to be reckoned with, Audrey Roper wastes no time in introducing herself to Mt. Thomas's most senior police member. Tom is chuffed to make Audrey's acquaintance as she as she demands he reprimand and punish her 17-year-old grand-daughter for buying cigarettes. The Heelers are policing a crackdown on under-age smoking in conjunction with the council. Dissatisfied with their progress, the militant Audrey intends to supervise their operation personally. Maggie learns that Audrey is on a crusade to save her grand-daughter—and all who come in contact with her—from the ills of smoking. Tom and Maggie wonder whether her end justifies her means. The law presents no boundaries to this woman whose protests keep the Heelers and cigarette retailers of Mt. Thomas on their toes. Maggie takes a liking to the feisty older woman and offers counsel to Audrey's grand-daughter. In spite of Maggie's attempts