A passenger is stabbed to death on the express bus to Honore. Jack and his team are baffled by the case though as no-one left their seat on the bus - so how on earth did they commit the murder?。Because he can pass as a Russian, A.J. Fothergill is recruited to spy on the revolutionary movement in Russia in 1913. He becomes imprisoned in Siberia, as a revolutionary, until the 1917 uprisings. Amid the turmoil of the civil war between the red and white armies, he tries to flee Russia along with the beautiful Countess Alexandra.。