Ben must put aside his jealousy in order for Ryn to mate.
Jack deals with the aftermath of the Parsonage explosion, as the police try to tear Thelema apart.
The military spy on Ben, Maddie, and Ryn, while the mermaid struggles once mating season begins.
Jack invites the military into the Parsonage, where he allows his personal life to be seen with clear eyes.
Susan and the Magus are getting too close, which pushes Jack further to the edge.
Ryn takes Ben and Maddie to a secret place below the ocean. Levi returns to land.
Nicole helps Ben and Maddie research the siren song appropriately. Other discoveries come to light.