Object reference not set to an instance of an object. Taxi Winner - Best Picture - Rob Knox Film Festival 2009. In the back of a London Taxi, the driver bears witness to four separate encounters. A couple discuss their chess moves on the way to the hospital. A woman leaves her husband for her lover. A man debates his life with his inner woman. And a spotty teen boy waits to take his girlfriend to Prom night. Ordinary people, ordinary lives. He’s not here to judge them, he’s just here to drive.