All it took was one phone call to turn the day upside down for three pretty office-workers. After Freya Parker and Sophia Burns made the acquaintance of a small masked intruder, they were left bound and gagged in blouses and skirts on an abandoned mattress not far from their office. The strange figure hovered over Freya and Sophia as they strained against rope and murmured nervously; both lost their heels before long and when the barefoot girls tried to slide off the mattress their visitor was not amused.