Fin (Ice T) revisits his military roots when a fellow Army Ranger (guest star Sarah Booth) struggles to recover from a sexual assault.
Jordan discovers Alan, Peter’s brother, is a member of Brother Michael’s cult, but despite Alan’s warnings she and Peter refuse to leave the Abbey and continue to investigate how Soren became infected.
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.
