In a car parked on the side of the road, the yellow-haired boy Ryan (Phi Vu) was awakened by the horns of other cars. He walked down in a daze, staggered all the way into the campus and entered the laboratory. Because the device under research consumes a lot of energy, the dean of the college was furious and ordered Ryan to stop the research project. The bad things didn't stop there. He was killed by a guy wearing a mask shortly afterwards. However, he woke up again and found himself still lying in the car, and everything that happened next was the same as in the "dream". Ryan was terrified and found his good friend Carter Davis (Israel Broussard) and his girlfriend Terri Gelbman (Jessica Rothe). This cycle of life and death is familiar to Terri. She first told Ryan about her experience, and then told him that the only way to stop the cycle is to find the murderer. And then, they not only found that Ryan's device seemed to be a cause of reincarnation, but also Terri returned to that terrible morning again...