Shona McMonagle may look bookish and harmless, but her education at the Marcia Blaine School for Girls has left her with a deadly expertise in everything from martial arts to quantum physics. It has also left her with a bone-deep loathing for The Prime of Miss Jean Brodie, the novel that spread scandalous untruths about the finest educational institution in Edinburgh. These skills make Shona the perfect recruit for a new and interesting project: Time-travel to Tzarist Russia, prevent a gross miscarriage of romance, and – in any spare time – see to it that only the right people get murdered.