Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a discovery more terrible than she could have ever imagined. As more pieces slide into place, the puzzle only seems to become more complicated.

• Renée St. Cyr
• Graeme Manson
• John Fawcett

• Patton Oswalt
• Raymond Ablack
• Tatiana Maslany