Fringe (2008)

S04E07 Wallflower

A man is found dead under strange circumstances, his body inexplicably transforming to a pale, ghostly hue. The Fringe division uncovers that this death is part of a troubling pattern, connecting the unseen assailant to an individual who succumbed to a mysterious genetic condition. Simultaneously, Olivia grapples with debilitating migraines, complicating her investigations.