This story discusses major plot developments from this season of "Sirens," now streaming on Netflix. Meghann Fahy is on a career hot streak, starring in buzzy series like "The White Lotus" and "The Perfect Couple" and films including "Your Monster" and "Drop.

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.