We Surrender

(Written as a "Mummy on the Orient Express" companion poem.) After the moon, It's time for a 'last hurrah' for Clara and the Doctor. It's her choice; they can go anywhere in time and space. And what better final adventure than the fabled Orient Express? However, seems there's a malevolent force lurking about the cabin... *Blatant episode spoilers for 08x08.* Standalone, complete.