The Death and the Life of River Song - Series 02: Ace and Tegan

Ace and Tegan have been plucked from their twenty-first century lives and stranded in 1860. But who is responsible, and why is River Song mixing in nineteenth century society too?

Somebody is out to eliminate the three of them, as Ace and Tegan realise that this may not be their first meeting with River. Their lives are entangled, and to escape, somebody must pay the ultimate price...