Peggy offers Whitney the uranium rods in return for Jason, only to discover that there's a traitor in their midst. Meanwhile, Jarvis asks Rose to look after Ana, and Daniel is forced to choose between Peggy and the mission success.

Howard, Jason, and Samberly race against the clock to find a way to reopen the rift and send the Zero Matter back to where it came... and receive help from an unexpected ally in their quest.