When a plane crashes in Philadelphia due to a gunman opening fire while aloft, the entire team of Megan, Kate, Tommy, Adam, Curtis, Ethan, Riley and Stafford must go into disaster mode. Since the crash hits the city's main power grid, Megan must conduct autopsies on the victims during frequent blackouts, but then one of the bodies goes missing. Meanwhile, Tommy and Adam are in a serious car accident while trying to investigate.

Cast: Dana Delany, Jeri Ryan, Mark Valley, Geoffrey Arend, Windell Middlebrooks, Elyes Gabel, Mary Mouser, Sunkrish Bala, Josh Clark, Davis Desmond, Ron Gilbert, Zoë Hall, Jodi Harris, Chris J. Johnson, Cristy Joy