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On Siren Season 3 Episode 10, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes in an effort to try and rescue Hope.
On Siren Season 3 Episode 9, Tia unleashes a deadly attack on Bristol Cove while Ryn, Ben, and Maddie race to find a cure for Xander’s mysterious illness.
On Siren Season 3 Episode 8, Ryn, Ben, and Maddie must protect Bristol Cove from Tia’s army, while, Ben’s injections are producing unexpected results.
On Siren Season 3 Episode 7, Ryn, Ben, Maddie must recruit new allies in the fight against Tia who obtains dangerous weapons she plans to use in her fight.
On Siren Season 3 Episode 6, Ryn discovers a refuge of injured mermaids that escaped Tia's violent takeover while Ben and Xander do battle with Tia's troops.
On Siren Season 3 Episode 5, Ryn returns to land to explore human motherhood while Maddie and Robb come across a gruesome discovery, and Ted confronts Helen.
On Siren Season 3 Episode 4, Ben and Maddie help Ryn guide her surrogate though a life-threatening delivery, and Helen and Xander deliver a hybrid corpse.
On Siren Season 3 Episode 3, Ryn seeks help only to learn the secret existence of her unborn child and Ben sets out on a dangerous path to help his mom.
On Siren Season 3 Episode 1, as an old friend comes to visit Helen, a new mermaid arrives leaving Ryn questioning everyone and their motives.
On Siren Season 2 Episode 16, as the truth about mermaids is exposed, Ben faces a choice that has rippling consequences among mermaid, hybrid and human alike.