Cuando Alan Maskell es acusado de ser cómplice de robo de autos a pesar de que ayudó a la policía a atrapar a los ladrones, escapa a Londres. El agente Rowan ha recibido una oferta para unirse a una nueva unidad antidrogas dentro de la comisaría y decide buscar a Alan y traerlo de vuelta para el juicio, ya que de todas formas tiene que ir a la capital para una entrevista. Blaketon está de buen humor cuando arrestan a Greengrass intentando vender algunas ovejas que podrían ser robadas. Cuando George Ward tiene dificultades para conducir su auto y servir bebidas, Kate Rowan sospecha que está gravemente enfermo.

When Helen Jones comes home from walking her dog she finds an intruder in her house. The intruder escapes, but not without Helen recognizing him as her long lost husband Alan, who disappeared with a lot of his employer's money. Only Alan does not look a day older than the day he disappeared. David and Vernon Scripps help a young Frenchman Anton Berail. Berail's father owns a large vineyard and Anton thinks, Vernon's cottage is suitable for growing wine. Sergeant Merton tells PC Bradley and PC Ventress, why he had to leave the CID and become a uniformed police officer. Oscar Blaketon organizes a treasure hunt to raise money for playgrounds and everybody spend a lot of time trying to solve the puzzles. Mike teams up with Tricia Summerbee and they make cupid work overtime.