 In his absence Varvara, less and less enthusiastic about her fiancé and more and more intrigued by the dashing general Sobolev, accompanies the army as it advances through Bulgaria to Adrianople.Shortly thereafter, the Turks sue for peace, and negotiations commence.At the train station, where Sobolev has his headquarters, Paladin suggests that they ride the train into San Stefano, the undefended western suburb of Constantinople.