Helix

In the second-season premiere, Drs. Peter Farragut and Sarah Jordan are joined by Kyle Sommer when they battle a new deadly virus on a mysterious wooded island.

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The CDC team continue to investigate the island; at the same time, they discover Peter's brother, Alan, is a member of Brother Michael's cult, and his warnings for them to leave the abbey fall on deaf ears.

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Jordan and Peter travel outside the safety of the abbey to retrieve some specimens and discover just what's living in the woods; at the same time, Sister Amy plots to make the CDC team leave forever.

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Michael struggles to keep the abbey under control as the CDC team move closer toward tracking the source of the pathogen; at the same time, Alan fights the urge to rejoin his former colleagues and comes to terms with the reality about Peter's allegiances. In the future, Walker takes a risk attempting to escape her delusional father.

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Peter reveals is brother's secret and gets them both in trouble; at the same time, Kyle has his hands full trying to quarantine the orchard and the infected hive.

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The CDC team are forced to work together when another outbreak threatens to overwhelm the Abbey.

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Things go from bad to worse on the island. Elsewhere, Walker decides to go to St. Germain after learning about Brother Michael.

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Sister Amy makes a power play for control of the Abbey as Alan and Kyle discover a possible cure for the virus.

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Alan, Kyle and Winger search the woods for the tree with red sap that might be a cure for the pathogen.

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At the abbey, Sister Amy makes a bargain for immortality; and in the woods, the race to find the Bleeding Tree intensifies now that Kyle is infected.

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The Navy prepare to implement Plan B, a final solution to ensure that the virus and everyone infected with it never make it off the island.

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Kyle and Jordan attempt to flee the island, but their escape is made more difficult by the followers who are hunting them down; Walker and Alan plan to halt ILARIA's deadly plan as soon as they find the Mother Tree.

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In the Season 2 finale, Alan's relationship with Walker reaches a bloody climax, while his sibling feud with Peter erupts in flames. Elsewhere, Kyle does his best to protect a possible cure for the mycosis.

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