A high school valedictorian who gets baked with the local stoner finds himself the subject of a drug test. The situation causes him to concoct an ambitious plan to get his entire graduating class to face the same fate, and fail.

A routine domestic flight turns into the flight from hell through a series of inexplicable phenomena and raw terror. Surreal encounters blur the boundaries between reality and nightmare. Passengers fight against all the odds in an attempt to survive while combating bizarre technological malfunctions, accelerating supernatural events and alien influences.