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Six months after her life unraveled and dark secrets were revealed, Molly is confined to a psychiatric hospital when she learns of bizarre deaths that sound eerily similar to those she .. show full overview
Molly and JD discover another pregnant woman suffering from inexplicable and fatal symptoms, while Molly begins to question her own mental stability. Meanwhile, Julie struggles with Ethan’s rebellion.
Molly finally learns the frightening truth about what happened to her son. Also, Julie’s decision to erase Ethan’s memory has disturbing consequences.
As Molly works to create a virus that will eradicate alien hybrids, she discovers that aliens are trying to communicate with humans through a hidden message in their DNA. Also, Lucy .. show full overview
Molly discovers Ethan is alive and sets out to get her son back. Also, suspicions about John’s death cause JD to investigate Julie’s potential involvement.
Molly panics when she discovers she is changing physically – the question is into what, and whether she can reverse what’s happening to her. Also, JD’s ex-wife, Dorothy, shows up suddenly on his doorstep to discuss their daughter.
Molly and JD try to convince Shepherd to broker a peace between humans and hybrids. Meanwhile, Lucy tries to manipulate Charlie’s feelings to put him in a compromising position.
Molly tries to save her son following a raid on the hybrid compound and JD tries to rescue his daughter from Shepherd. Elsewhere, Lucy becomes a bigger threat to humans.
Memories resurface as Molly succumbs to the virus; Julie is confronted with hard choices; and the Hybrids seek revenge.
Molly has a vision she can't shake following a near-death experience. Also: Shepherd's loyalty to the Global Space Commission is questioned.
Molly, Ethan, and JD look for John's former colleague -- who may have information that could stop the Humanich threat; Julie asks Charlie to determine where Lucy's orders are coming from.
Molly reveals disturbing new details about Shepherd’s death to the GSC, and Lucy makes a powerful move against the humans and hybrids that could have devastating global repercussions.
Season Finale- Molly and JD frantically race to the hybrids to stop a Humanich plot that will destroy the human race. Also, Lucy has a shocking realization about the GSC that forces her to question her allegiance and put Ethan at risk.
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