The flash backs will be in a personal view of Clive, this is to give the effect as thought he is watching Mark and Mary. The flash backs will start when Mary is tied up in Clive's kitchen. they will be black and white to enhance the fact that they are flash backs. the flash backs will be of Mark and Mary entering a shopping center, to go to a restaurant, there will be over shoulder shots when there is conversation, and allot of closeups.