A captura de uma criatura marinha feroz por pescadores de um vilarejo no noroeste do oceano pacífico abala as estruturas do local. A descoberta parece desafiar tudo que os habitantes achavam que sabiam sobre o mar, pois tudo indica que se trata de uma sereia.

Zac vira tritão por acidente, ameaçando a existência das três sereias que protegem a Ilha Mako.

Sirens is a thriller set in Eilat. It revolves around Shelley Toledano, 32, a policewoman with the Illegal Aliens unit, which is mostly devoted to documenting and following refugees from Africa who infiltrate the city through its border with Egypt. Shelley is rugged and outspoken, and used to the difficult sights that come with the job. But one day, when the body of the person closest to her is found, her life is turned upside down.