If you're a fan who was hoping to see more of Ryn in her mermaid form, the following clip should give you some hope for what's to come: Siren s02: More mermaids will arrive in the once-sleepy fishing ...

Ryn (Eline Powell) finds shelter in the home of a local folklore expert, and encounters a device emitting a strange sound. Freeform/Eike Schroter Siren (8 p.m., Freeform) — It’s a tale as old as time.