en CB01 OFFICIAL. One-off comedy special. On the mean streets of Vange in Essex, naive police community support officer Len is the victim of a cruel hoax perpetrated by 'proper copper' PC Preston. Meanwhile, there have been a series of bizarre thefts at the station and PCSO Kelly thinks she knows who is responsible. Fellow 'plastic policeman' Perry doesn't know who to help - Len, Kelly or retiring colleague Chester.