Invasion

After discovering an Air Force officer named Paxton in a wet suit and barely alive at the ranger station, Russell begins to question what befell the man when he notices his wounds are identical to Daves. But Russell soon finds out that hes not the only one interested in Paxton when Sheriff Underlay and Larkin both begin to question the mans mysterious circumstances. Meanwhile Mariel finds something unexplainable protruding from Paxtons wounds, Russells curiosity about the strange skeleton grows, and Underlay continues to push for a town quarantine.

The citizens start to question why the town is still under a quarantine that has cut off medical and building supplies. The citizens find themselves on the verge of a major medical pandemic. Russell and Sheriff Underlay must track down the source of this quickly spreading virus.

A family of Cuban refugees tries to make their way to Miami. After they notice the lights in the water, their escape from Cuba is cut short. The next morning Russell encounters one of the Cuban survivors. Meanwhile, Mariel attends a support group and Larkin realizes that someone is following her.

Sheriff Underlay tracks down a mother who has abandoned a baby at Russells ranger station. The mother denies that the child is hers. Her mother-in-law swears that the baby is her grandchild and that Christina has been acting strange ever since the hurricane hit. Meanwhile, Mariel who begins questioning why she has been losing touch with her kids makes a shocking discovery in the water.

After a couple reads his blogs, they abduct Dave to find out what he knows about the hurricanes aftermath. Underlay and Sirk discover the identity of the woman in the bay and Sirk gets a glimpse of the orange lights.

After a visit to Mariel, Russel finds that Tom has taken the children on a vacation without asking permission. Someone is hiding outside of Mariels house and is discovered by Russel. Larkin is suspicious of Russells intentions towards Mariel.

Russell, Larkin and Dave find out the identity of one of the creatures. Meanwhile, Underlay tries to find out who shot him and Kira begins to wonder what really happened to her dad.

Russell and Tom team together to try to catch a pregnant Christina and Derek, who are armed, dangerous and on the run. While searching Russell and Tom find a group of migrant workers. Mariel confides in Jesse and Rose about what happened to her. An unconscious Kira is in the hospital after her encounter with the orange being. Larkin searches for more answers about Paxton and his real reason for being in the area during the hurricane.

Russell and Dave investigate whats happening on Szuras island in the Keys. Tensions rise at school between the students who were changed by the hurricane and those who werent. Underlay tries to find out the extent of the militarys involvement in post-hurricane changes.

Russell and Underlay find that they have to work together as another storm is quickly approaching. They need to get their families out of Homestead and to try to find where Szura has stashed away the hybrids.

In the middle of the hurricane chaos, Underlay and Russell mount a rescue of the humans who are being round up by the hybrids. Meanwhile, two humans who suspect that Underlay is the cause of the chaos take Larkin, Dave, Jesse and Rose as hostages.