Ben suddenly grabs the harpoon and causes the captain to miss the target. Xander and his father are angered their shot to get one was ruined but Ben doesn't want it dead - he wants to protect it. Xander states he wants Chris back as all of them begin to hear distressed, high-pitch screams. Believing the source of the sounds to be injured, Ben dives off the boat and into the water. The source may be circling him, but Ben swims to the propeller of the boat and discharges a recording device from it, intent to have evidence. Back on shore, a trail of disheveled sand leads to the carcass of a mermaid tail. Ryn is shown to have transformed back into a human, having woken up in the wilderness once more.
Back in the boat, Xander comments that the sound coming from the device, a Doppler current radar, are similar to the sounds the creature made when they first found it. Xander says that it's no coincidence that when the creature first appeared, this device is suddenly attached to the boat. Xander comments how amazing Ben was in jumping right in, but Ben apologizes that he doesn't feel the same feeling he does. Both of them make up afterward as Ben opens the can, which contains a camera and a tracking device. Xander thinks it could lead them to Chris, but Ben warns him that they don't want to end up like Chris.
Meanwhile, back on land, a naked Ryn walks idly through a trailer park, sending a mother and her children inside. She spots some clothing on a drying rack and is intrigued by a shirt with an eagle on it. As she put it on, the owner catches Ryn and, mistaking her for another junkie, angrily claps back at her. Ryn, spotting a pole behind her feet, hurls it through on the rainfall vents. She scares off the owner and runs off.
Ryn breaks into a home, where a small aquarium catches her attention. Next to it, she picks up a photo of Ben and Maddie, indicating she is in Ben's house.
At the Bristol Cove Marine Research Center, Maddie calls Ben but to no avail. She leaves a message and moves to fill a bucket, not bothering to look behind her where Ryn is standing. Hearing a deep and animalistic growl, she turns back to see nothing.
Sheriff Bishop is investigating Donnie's crime scene. An officer comments that Donnie had prior charges when Sheriff Bishop notices Donnie's pants are low, assuming that a sexual assault happened. Deputy Staub thinks he got what he deserved. The sheriff believes Donnie was with a woman when a third person, of 'substantial size and strength', snuck up on them. He commands his officers to start searching the area. Peaking inside the car, he notices Ryn's toy helicopter.
In Helen's Antiquities shop, Helen is completing a word puzzle on her desk with a customer shopping inside when Ryn suddenly enters. Helen recognizes who it is, and tells the customer that her shop is closed despite her asking how much is a shirt. She proceeds to change the sign in front of her store from "Open" to "Closed". Ryn, having moved to the left side of the store, watches Helen as she comments that Ryn came back. Helen asks her why she's here, but Ryn hisses in defense. Continuing to look through her surroundings, she finds a terracotta of two mermaids. Saying "I" but struggling to speak, Helen assumes she's trying to say "see" or "look". Pointing at one of the mermaids, she gestures that that's her, Ryn. Helen understands that's her name when Ryn breaks the status in two. Saying "look" to the other mermaid, Helen correctly guesses there's another mermaid.
At the military lab, Aldon Decker tells an assistant Donna has 30 ccs of spinal fluid and to take six tissue samples. He asks her how the tests are going, to which she responds that they're well. He agrees it's time for the extraction, and Donna, still trapped in her tank, viciously retorts. She calls to him, and he unconsciously faces and begins to approach her, until she turns away.
At home, Ben is finishing his shower when Maddie arrives, saying she got his text. He suddenly embraces her, to which she awkwardly tries to hug back but accidentally touches the scars Ryn left on his neck. She asks him what happened, to which Ben responds that it's not anything she's thinking. Maddie, asking why, receives a reply that it isn't anything that she's thinking.
Calvin is playing video games when Xander presents him with the Doppler Ben found attached to the boat. Xander says that Ben thinks they should wait and see who is behind the installation of the device, but Calvin is distrustful of Ben - he never worked hard on the ship with them and, coming from the Pownalls, he's not one of them.
Ben is examining the footage of the Doppler, intent on showing Maddie. All Maddie sees are sea lions until Ben finds the footage of Ryn and the battle with her. Maddie is in a state of shock, and as Ben tells her what happened she demands he replay it. Ben tells her it's really happening, and Maddie, stunned, believes Ben when he says it's a mermaid.
Ryn, having been taken in by Helen, picks up a Frozen book but her attention switches to the TV. Helen appears, and a surprised Ryn spins and, using only her arm, roughly grabs Helen's neck. Helen pleads it's her, and Ryn, in a sign of recognization, releases her with an apologetic "Hello, Helen". Ryn picks up the Frozen book again and points at the "Sister" part of the title. Helen perceives that Ryn is looking for her sister. She hands her some clothing, which Ryn roughly takes and dresses. On the prowl once more, Ryn desperately looks for food. Just as she is about to break a jar of olives, Helen stops her and makes Ryn give it back. Helen tells her she knows what she needs, and pleads for her to stay.
Special Guest StarEdit
- The table read began on August 2, 2017.
- Filming began in the early hours of August 4, 2017.
- Ben: "Helen Hawkins seems to know a lot about this stuff. I'm hoping she'll have some answers."
- Maddie: "Well, there she is. The town nut-job."
- Ben: "Yeah. Maybe don't say that in front of her."
- Helen: "These creatures were massacred once. It could happen again."
- Maddie: "She has a quality. It's hard to explain, I don't know, like... Like I was drawn to her."
- Ben: "Me too."
- Maddie: "There were two of them out there. Her sister's the one who got caught."
- Open Your Eyes by Tyler Blackburn
- Highway Tune by Greta Van Fleet
- Start A Riot by Flint Eastwood
- ↑ SpoilerTV — "Final Adjusted TV Ratings for Thursday 29th March 2018" (March 30, 2018)
- ↑ SpoilerTV — Freeform's March 2018 Programming Press Release (February 23, 2018)
- ↑ Siren Portugal (@SirenPortugal)—Twitter Confirmation (August 2, 2017)
- ↑ Rena Owen (@TheRealRenaOwen)—Twitter Confirmation (August 4, 2017)
- ↑ What's Filming—"Siren Season 1 Starts filming in Vancouver" (August 2, 2017)