Ryn must undergo a difficult process to ensure the survival of her species
Ryn deals with guilt over what she's done while Ben discovers new information about his father's relationship to Big Oil
Ben struggles with the siren's song effects, but Ryn also struggles with her feelings for him and Maddie, too.
Ben's struggling with Ryn's siren song, as she also struggles to hold onto power amongst her people.
Ben struggles with the siren's song. Xander finds out about the merpeople on land.
More of Ryn's people come to the shores. But something's forcing them there.