Siren: 2г—7 Official

: In gravitational-wave astronomy, "standard sirens" are used to measure cosmic distances. Researchers often compare results between second-generation (2G) and third-generation (3G) detector networks.

: Nicole, who had been working undercover, finally reveals her true intentions. After manipulating Xander, she focuses her efforts on capturing Ryn for military research. Themes and Impact Siren: 2Г—7

: The discovery of a body, later identified as Xander’s father (killed in the previous season), brings federal agents to Bristol Cove. This investigation complicates the efforts of Ben, Maddie, and Ryn to keep the mermaids' presence secret. : In gravitational-wave astronomy

Episode Overview: Siren Season 2, Episode 7 – "Entrapment" who had been working undercover

: While in the mountains, the mermaids discover historical evidence linking humans and mermaids, providing vital lore regarding their shared past.