Vernon Sewell directs this drama starring Peter Reynolds, Lisa Gastoni and Peter Elliott. In the midst of a heist, a security guard is murdered by Angelo (Reynolds), member of a ruthless criminal gang. Before he is able to ring his boss and confirm the robbery has been successful, elderly woman Miss Crystal (Olive Sloane) incorrectly dials the number of her friend and blocks the line. When the person on the other end asks if Angelo is speaking, Miss Crystal realises her mistake and ends the call. The next day however, with the news filled with the robbery and murder, and the potential suspects, Miss Crystal thinks she may hold a vital clue to tracking down those guilty. Can she remember the mistakenly dialled number?