Siren 3×09 Promo “A Voice in the Dark”

Siren 3×09 “A Voice in the Dark” Season 3 Episode 9 Promo – Tia unleashes a deadly attack on Bristol Cove. Ryn, Ben and Maddie race against time to find a cure for Xander’s mysterious illness, while anticipating Tia’s next move. Baby Hope returns to land to reconnect with Ryn.