Zelda Perkins endured the predatory behaviour of her boss, Harvey Weinstein, throughout the five years she was his personal assistant. But, when Rowena Chiu — a bright but unworldly young woman, an Oxford graduate and a Christian — joined Weinstein’s Miramax London office as Zelda’s assistant, the depths of Weinstein’s depravity became apparent. The next morning, ‘deeply traumatised and white …