At the hospital Kevin becomes an involuntary test subject on what is driving the mist. Meanwhile at the church, Nathalie Raven discusses her theories about the mist and has a violent encounter with one of the church parishioners.
Nathalie's influence over the remaining church parishioners continues to grow. At the mall Alex and Jay grow closer until Eve intervenes. Kevin and the group make a stop at Adrian's home where Kevin makes a shocking discovery.