Taggart, Mendel and Sarah visit a privately operated Maximum Security Prison hoping to find a clue to locating a powerful, dangerous Sentient. They ultimately find themselves trapped within a Synthetic and it's a race to the death.

Neil's friendly emails with a mystery woman come back to haunt him when "she" turns out to be a Sentient who is growing increasingly obsessed with him and curious about Odyssey 5. "Kit-10" wants to know the secret of the Odyssey 5 mission -- but just how far will she go to get what she wants?