Katie is a vibrant sexual creature, brimming with needs. Her husband Daniel is a cheating rat, driving her crazy with his infidelities. The one thing that she can rely on is music, and she plays the viola as a way of escaping her problems. Soon her life is about to run away with her in a most exciting chain of events when her orchestra embarks on a tour of Europe. She is joined by a dominatrix diva and a bass singer whose voice is so low he is known as the human vibrator. And while Katie is carefully recording each sexual encounter in her journal, another member of the orchestra is writing down his. Intrigue begins when the two books are inadvertently switched. Clever and sexy, this is a fabulously entertaining story of passion and orchestral high jinks.