Six years after the explosion of Flight 180, and five years after the pileup on Route 23, Wendy Christensen, a high school student, visits an amusement park for grad night with her friends Kevin Fischer, Jason Wise (Jesse Moss), and Carrie Dreyer. As Wendy and her friends board the Devil's Flight roller coaster, Wendy has a premonition that the ride will crash, killing everyone on board. Wendy panics and gets off the roller coaster along with Kevin, Wendy's younger sister Julie, Ian McKinley, Perry Malinowski, Erin Ulmer, Lewis Romero, Frankie Cheeks, and Ashley Freund and Ashlyn Halperin, before the accident occurs. When the survivors begin to die in a series of strange accidents, Wendy and Kevin set out to save those who remain. Most of their attempts are futile, with the exception of Julie, and themselves. They believe that they have cheated death, however, the three "coincidentally" cross paths five months later and are killed in a horrifying subway accident.