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?

The O-5 team is approached by "Harry Mudd" -- a Sentient in a Synthetic body. He warns them of the imminent destruction of the world by an insane Sentient and reminds them about what's important in life.