Dedicated U.S. Park Ranger Russell Varon (series star EDDIE CIBRIAN) is a divorced father of two kids--Jesse (series star EVAN PETERS) and Rose (series star ARIEL GADE)--and is expecting a third child with his new wife, local television reporter Larkin Groves (series star LISA SHERIDAN). For Russell, who works with fellow Ranger Mona Gomez (series star AISHA HINDS), a devastating hurricane and its mysterious aftermath prove to be merely the beginning of a long journey into the unknown. Always skeptical about the paranoid conspiracy theories of his wayward brother-in-law, Dave (series star TYLER LABINE), Russell may have to revise his thinking when a number of bizarre occurrences start taking place in his community. Although young Rose claims to have seen hundreds of lights floating towards the water during the storm, Russell initially dismisses her claim--until he begins to suspect that something is very wrong with his ex-wife, Dr. Mariel Underlay (series star KARI MATCHETT), Rose...
Christina (recurring guest star ELISABETH MOSS) forces Mariel to perform an ultrasound to find out what's growing inside Christina's rapidly expanding womb. Meanwhile, Russell and Dave set out to...
Russell visits Mariel and discovers that Underlay has taken the children on an unscheduled vacation--without asking for her permission. Also, Russell notices someone hiding in the shadows outside...
Russell finally confronts Mariel about the changes she's undergone since the hurricane. Underlay invites a confused Deputy Sirk (recurring guest star NATHAN BAESEL) into his home to recuperate. And...
Larkin learns that Russell has a criminal record after he becomes a prime suspect in a double murder. She questions his integrity and investigates the circumstances surrounding the murder....
Russell must save Jesse after the teen is knocked unconscious by a mysterious, unknown force while checking out a submerged mobile home with Kira. Russell also worries about Mariel's strange...
Underlay might get the quarantine he has requested when Russell discovers that escaped laboratory animals may be responsible for a deadly flu virus that has spread throughout Homestead. Meanwhile,...
Curiosity and frustration get the best of Kira as she searches for the truth about her father, Mariel and what is happening to the people of Homestead. But Kira soon finds her life in danger when...
Russell, Larkin and Dave are in shock after discovering the identity of a mysterious creature that has been lurking around the Varon home. Meanwhile, Underlay is on a mission to find out who shot...
After finding an old Cuban refugee who says he lost his family to "the lights," Russell goes fishing to catch one of the mysterious, orange luminescent beings. Transformed, Derek (recurring guest...
