After a chaotic and emotional weekend that shifted dynamics between Simone (Milly Alcock), Devon (Meghann Fahy) and Michaela (Julianne Moore), "Sirens" closed out its finale with a twist ending that didn't see the sisters reunite after all.

Kevin Bacon also stars in Molly Smith Metzler's five-part limited series about a pair of troubled sisters and the couple of affluent benefactors who may be harboring dark secrets.