Dupe

Brierly Security is engaged by a Mr and Mrs Jackson to find their missing daughter, Deirdre. Anna tracks down the girl's ex-boyfriend Simon, who leads her to the wedding video company where Deirdre ("Dee") works. Anna meets Dee who seems self-assured and has no desire to meet her parents. Dee is next found dead in her car. Mr Jackson cannot agree with the police that the cause of death was an accident. Anna believes Dee's former boss Fred Slinger may hold the key to the mystery.