Elise struggles to face her past and a revelation threatens to turn Karl's life upside down.
The connection between Elise and Eryka intensifies. An anonymous package helps the investigation.
Karl and Elise try get to Vanessa in time. Elise and Eryka cross the line, but they could regret it.
Elise and Karl investigate the mysterious abduction of a French couple from the Eurotunnel.
Elise uncovers some disturbing facts about a passenger, while Karl makes a major breakthrough.