When your boss is at a conference in a city where there's a suspicious death, it's unlucky.If it happens twice, it's odd.But when she's in the same city at the same time as a third unexplained death . . .Could she be a stone-cold killer?Millie's always known her boss Freya is a psycho – the demanding and ever-changing coffee orders, the cryptic instructions, the apparently expected mind reading and don't even start on the insistence that Millie wears heels . . . All. The. Time.But it only extends as far as exacting office standards. Right?As Freya's assistant, Millie has privileged access to her diary and travel history and when a pattern emerges of men (who seem to have no connection to each other) dying in cities where Freya is travelling, Millie is determined to figure out what's going on.After all, a stone-cold killer could be exactly what Millie needs . . .