The government struggles to contain and understand the outbreak. Kaylee interviews Luther's ex-wife while Danika pays her sister a visit.

Cast: Ian Somerhalder, Laura Vandervoort, Greg Bryk, Kimberly-Sue Murray, Peter Outerbridge, Adrian Holmes, Kyle Breitkopf, Michael Greyeyes, Jacky Lai, Bradley Hamilton, Morgan David Jones, Anthony Grant, Emmanuel Kabongo, Jonathan Koensgen, Heather Stevenson