Siren - Season 2 - Eps 10: All In
With Elaine Pownall’s health worsening, she seeks treatment from the military’s medical trial using mermaid cells, but the procedure doesn’t come without side effects to the mermaids. Meanwhile, Helen and Rick learn more about the hybrid status, their history in Bristol Cove, and discover they are far less alone than Helen once believed.
About Siren

Title: Siren
First Air Date: 2018-03-29
Last Air Date: 2020-05-28
Status: Canceled
Rating: 7.734/10 (from 3367 votes)
Language: EN
Seasons: 3
Total Episodes: 36
Network: Freeform
Genres: Sci-Fi & Fantasy, Drama
Production Companies: Unknown
Synopsis
The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.
Cast

Eline Powell
Ryn

Alex Roe
Ben Pownall

Fola Evans-Akingbola
Maddie Bishop

Ian Verdun
Xander McClure

Rena Owen
Helen Hubbell