Trying to piece together Dr. Hunter's lost formula, Rachel grapples with the fact Niels, her sworn enemy, is on board Nathan James, while Chandler works to gain intel and reverse the brainwashing Michener suffered at the hands of the Ramseys.
Chandler's team causes and uses confusion to drag accidental president Michener aboard the ship, where he and Slattery have a hard time convincing him they're loyal military but the Ramsey brothers' cult of immune people a sadistic cover. Michener also wrestles with personal survivor guilt feelings. Meanwhile the media spread the word that the ship is evil, allegedly abusing a false cure, boding ill for welcome in American ports. Evil cult-defected scientist Niels is also taken aboard, to deal with his evil virus dispensing scheme.—KGF Vissers