Siren - Season 2 - Eps 9: No North Star
Ben, Maddie and the other humans deal with the fallout from the attack on the oil rig, while the mermaids reacclimate to their ocean home. Ryn comes back to land to follow through on an agreement she made with the military, despite not knowing what their ultimate goals are.
About Siren

Title: Siren
First Air Date: 2018-03-29
Last Air Date: 2020-05-28
Status: Canceled
Rating: 7.736/10 (from 3355 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